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student_assessment

SELECT student_id FROM student_course_registrations UNION SELECT student_id FROM student_course_attendance

What are the ids of the students who either registered or attended a course?

PRAGMA foreign_keys = ON; CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ); New Albina, WA 19200-7914', 'Suite 096', 'Linnealand', '862', 'Montana', 'USA'); Lake Harmonyhaven, VA 65235', 'Apt. 163', 'South Minnie', '716', 'Texas', 'USA'); Zakaryhaven, WY 22945-1534', 'Apt. 419', 'North Trystanborough', '112', 'Vermont', 'USA'); West Jarret, MI 01112', 'Apt. 884', 'Lake Kaley', '431', 'Washington', 'USA'); Haleighstad, MS 55164', 'Suite 333', 'Stephaniemouth', '559', 'Massachusetts', 'USA'); East Isabellashire, ND 03506', 'Suite 370', 'O''Connellview', '514', 'NewMexico', 'USA'); Lacyville, VT 34059', 'Suite 764', 'New Alta', '176', 'Mississippi', 'USA'); Berniershire, KS 00038-7574', 'Apt. 903', 'South Keenan', '613', 'Michigan', 'USA'); Port Maxime, NJ 91550-5409', 'Suite 903', 'Hannahside', '354', 'Connecticut', 'USA'); Olsontown, DC 20894', 'Apt. 756', 'Alizeshire', '687', 'NewMexico', 'USA'); Baileymouth, FL 06297-5606', 'Suite 087', 'South Naomibury', '079', 'Ohio', 'USA'); West Ashlynnchester, UT 91968', 'Apt. 617', 'East Tavaresburgh', '179', 'SouthDakota', 'USA'); Marquisestad, GA 38537', 'Apt. 435', 'Lake Devon', '244', 'SouthDakota', 'USA'); Oberbrunnerbury, LA 67451', 'Apt. 626', 'Boyleshire', '536', 'Kansas', 'USA'); North Oscartown, WI 31527', 'Apt. 849', 'Terencetown', '979', 'Michigan', 'USA'); CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ); CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ); CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ); CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ); CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ); CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ); CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ); CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) );

student_assessment

SELECT course_id FROM student_course_registrations WHERE student_id = 121 UNION SELECT course_id FROM student_course_attendance WHERE student_id = 121

Find the id of courses which are registered or attended by student whose id is 121?

PRAGMA foreign_keys = ON; CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ); New Albina, WA 19200-7914', 'Suite 096', 'Linnealand', '862', 'Montana', 'USA'); Lake Harmonyhaven, VA 65235', 'Apt. 163', 'South Minnie', '716', 'Texas', 'USA'); Zakaryhaven, WY 22945-1534', 'Apt. 419', 'North Trystanborough', '112', 'Vermont', 'USA'); West Jarret, MI 01112', 'Apt. 884', 'Lake Kaley', '431', 'Washington', 'USA'); Haleighstad, MS 55164', 'Suite 333', 'Stephaniemouth', '559', 'Massachusetts', 'USA'); East Isabellashire, ND 03506', 'Suite 370', 'O''Connellview', '514', 'NewMexico', 'USA'); Lacyville, VT 34059', 'Suite 764', 'New Alta', '176', 'Mississippi', 'USA'); Berniershire, KS 00038-7574', 'Apt. 903', 'South Keenan', '613', 'Michigan', 'USA'); Port Maxime, NJ 91550-5409', 'Suite 903', 'Hannahside', '354', 'Connecticut', 'USA'); Olsontown, DC 20894', 'Apt. 756', 'Alizeshire', '687', 'NewMexico', 'USA'); Baileymouth, FL 06297-5606', 'Suite 087', 'South Naomibury', '079', 'Ohio', 'USA'); West Ashlynnchester, UT 91968', 'Apt. 617', 'East Tavaresburgh', '179', 'SouthDakota', 'USA'); Marquisestad, GA 38537', 'Apt. 435', 'Lake Devon', '244', 'SouthDakota', 'USA'); Oberbrunnerbury, LA 67451', 'Apt. 626', 'Boyleshire', '536', 'Kansas', 'USA'); North Oscartown, WI 31527', 'Apt. 849', 'Terencetown', '979', 'Michigan', 'USA'); CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ); CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ); CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ); CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ); CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ); CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ); CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ); CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) );

student_assessment

SELECT course_id FROM student_course_registrations WHERE student_id = 121 UNION SELECT course_id FROM student_course_attendance WHERE student_id = 121

What are the ids of the courses that are registered or attended by the student whose id is 121?

PRAGMA foreign_keys = ON; CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ); New Albina, WA 19200-7914', 'Suite 096', 'Linnealand', '862', 'Montana', 'USA'); Lake Harmonyhaven, VA 65235', 'Apt. 163', 'South Minnie', '716', 'Texas', 'USA'); Zakaryhaven, WY 22945-1534', 'Apt. 419', 'North Trystanborough', '112', 'Vermont', 'USA'); West Jarret, MI 01112', 'Apt. 884', 'Lake Kaley', '431', 'Washington', 'USA'); Haleighstad, MS 55164', 'Suite 333', 'Stephaniemouth', '559', 'Massachusetts', 'USA'); East Isabellashire, ND 03506', 'Suite 370', 'O''Connellview', '514', 'NewMexico', 'USA'); Lacyville, VT 34059', 'Suite 764', 'New Alta', '176', 'Mississippi', 'USA'); Berniershire, KS 00038-7574', 'Apt. 903', 'South Keenan', '613', 'Michigan', 'USA'); Port Maxime, NJ 91550-5409', 'Suite 903', 'Hannahside', '354', 'Connecticut', 'USA'); Olsontown, DC 20894', 'Apt. 756', 'Alizeshire', '687', 'NewMexico', 'USA'); Baileymouth, FL 06297-5606', 'Suite 087', 'South Naomibury', '079', 'Ohio', 'USA'); West Ashlynnchester, UT 91968', 'Apt. 617', 'East Tavaresburgh', '179', 'SouthDakota', 'USA'); Marquisestad, GA 38537', 'Apt. 435', 'Lake Devon', '244', 'SouthDakota', 'USA'); Oberbrunnerbury, LA 67451', 'Apt. 626', 'Boyleshire', '536', 'Kansas', 'USA'); North Oscartown, WI 31527', 'Apt. 849', 'Terencetown', '979', 'Michigan', 'USA'); CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ); CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ); CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ); CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ); CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ); CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ); CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ); CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) );

student_assessment

SELECT * FROM student_course_registrations WHERE student_id NOT IN (SELECT student_id FROM student_course_attendance)

What are all info of students who registered courses but not attended courses?

PRAGMA foreign_keys = ON; CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ); New Albina, WA 19200-7914', 'Suite 096', 'Linnealand', '862', 'Montana', 'USA'); Lake Harmonyhaven, VA 65235', 'Apt. 163', 'South Minnie', '716', 'Texas', 'USA'); Zakaryhaven, WY 22945-1534', 'Apt. 419', 'North Trystanborough', '112', 'Vermont', 'USA'); West Jarret, MI 01112', 'Apt. 884', 'Lake Kaley', '431', 'Washington', 'USA'); Haleighstad, MS 55164', 'Suite 333', 'Stephaniemouth', '559', 'Massachusetts', 'USA'); East Isabellashire, ND 03506', 'Suite 370', 'O''Connellview', '514', 'NewMexico', 'USA'); Lacyville, VT 34059', 'Suite 764', 'New Alta', '176', 'Mississippi', 'USA'); Berniershire, KS 00038-7574', 'Apt. 903', 'South Keenan', '613', 'Michigan', 'USA'); Port Maxime, NJ 91550-5409', 'Suite 903', 'Hannahside', '354', 'Connecticut', 'USA'); Olsontown, DC 20894', 'Apt. 756', 'Alizeshire', '687', 'NewMexico', 'USA'); Baileymouth, FL 06297-5606', 'Suite 087', 'South Naomibury', '079', 'Ohio', 'USA'); West Ashlynnchester, UT 91968', 'Apt. 617', 'East Tavaresburgh', '179', 'SouthDakota', 'USA'); Marquisestad, GA 38537', 'Apt. 435', 'Lake Devon', '244', 'SouthDakota', 'USA'); Oberbrunnerbury, LA 67451', 'Apt. 626', 'Boyleshire', '536', 'Kansas', 'USA'); North Oscartown, WI 31527', 'Apt. 849', 'Terencetown', '979', 'Michigan', 'USA'); CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ); CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ); CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ); CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ); CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ); CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ); CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ); CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) );

student_assessment

SELECT * FROM student_course_registrations WHERE student_id NOT IN (SELECT student_id FROM student_course_attendance)

What are all details of the students who registered but did not attend any course?

PRAGMA foreign_keys = ON; CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ); New Albina, WA 19200-7914', 'Suite 096', 'Linnealand', '862', 'Montana', 'USA'); Lake Harmonyhaven, VA 65235', 'Apt. 163', 'South Minnie', '716', 'Texas', 'USA'); Zakaryhaven, WY 22945-1534', 'Apt. 419', 'North Trystanborough', '112', 'Vermont', 'USA'); West Jarret, MI 01112', 'Apt. 884', 'Lake Kaley', '431', 'Washington', 'USA'); Haleighstad, MS 55164', 'Suite 333', 'Stephaniemouth', '559', 'Massachusetts', 'USA'); East Isabellashire, ND 03506', 'Suite 370', 'O''Connellview', '514', 'NewMexico', 'USA'); Lacyville, VT 34059', 'Suite 764', 'New Alta', '176', 'Mississippi', 'USA'); Berniershire, KS 00038-7574', 'Apt. 903', 'South Keenan', '613', 'Michigan', 'USA'); Port Maxime, NJ 91550-5409', 'Suite 903', 'Hannahside', '354', 'Connecticut', 'USA'); Olsontown, DC 20894', 'Apt. 756', 'Alizeshire', '687', 'NewMexico', 'USA'); Baileymouth, FL 06297-5606', 'Suite 087', 'South Naomibury', '079', 'Ohio', 'USA'); West Ashlynnchester, UT 91968', 'Apt. 617', 'East Tavaresburgh', '179', 'SouthDakota', 'USA'); Marquisestad, GA 38537', 'Apt. 435', 'Lake Devon', '244', 'SouthDakota', 'USA'); Oberbrunnerbury, LA 67451', 'Apt. 626', 'Boyleshire', '536', 'Kansas', 'USA'); North Oscartown, WI 31527', 'Apt. 849', 'Terencetown', '979', 'Michigan', 'USA'); CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ); CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ); CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ); CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ); CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ); CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ); CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ); CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) );

student_assessment

SELECT T2.student_id FROM courses AS T1 JOIN student_course_registrations AS T2 ON T1.course_id = T2.course_id WHERE T1.course_name = "statistics" ORDER BY T2.registration_date

List the id of students who registered course statistics in the order of registration date.

PRAGMA foreign_keys = ON; CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ); New Albina, WA 19200-7914', 'Suite 096', 'Linnealand', '862', 'Montana', 'USA'); Lake Harmonyhaven, VA 65235', 'Apt. 163', 'South Minnie', '716', 'Texas', 'USA'); Zakaryhaven, WY 22945-1534', 'Apt. 419', 'North Trystanborough', '112', 'Vermont', 'USA'); West Jarret, MI 01112', 'Apt. 884', 'Lake Kaley', '431', 'Washington', 'USA'); Haleighstad, MS 55164', 'Suite 333', 'Stephaniemouth', '559', 'Massachusetts', 'USA'); East Isabellashire, ND 03506', 'Suite 370', 'O''Connellview', '514', 'NewMexico', 'USA'); Lacyville, VT 34059', 'Suite 764', 'New Alta', '176', 'Mississippi', 'USA'); Berniershire, KS 00038-7574', 'Apt. 903', 'South Keenan', '613', 'Michigan', 'USA'); Port Maxime, NJ 91550-5409', 'Suite 903', 'Hannahside', '354', 'Connecticut', 'USA'); Olsontown, DC 20894', 'Apt. 756', 'Alizeshire', '687', 'NewMexico', 'USA'); Baileymouth, FL 06297-5606', 'Suite 087', 'South Naomibury', '079', 'Ohio', 'USA'); West Ashlynnchester, UT 91968', 'Apt. 617', 'East Tavaresburgh', '179', 'SouthDakota', 'USA'); Marquisestad, GA 38537', 'Apt. 435', 'Lake Devon', '244', 'SouthDakota', 'USA'); Oberbrunnerbury, LA 67451', 'Apt. 626', 'Boyleshire', '536', 'Kansas', 'USA'); North Oscartown, WI 31527', 'Apt. 849', 'Terencetown', '979', 'Michigan', 'USA'); CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ); CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ); CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ); CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ); CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ); CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ); CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ); CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) );

student_assessment

SELECT T2.student_id FROM courses AS T1 JOIN student_course_registrations AS T2 ON T1.course_id = T2.course_id WHERE T1.course_name = "statistics" ORDER BY T2.registration_date

What are the ids of the students who registered course statistics by order of registration date?

PRAGMA foreign_keys = ON; CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ); New Albina, WA 19200-7914', 'Suite 096', 'Linnealand', '862', 'Montana', 'USA'); Lake Harmonyhaven, VA 65235', 'Apt. 163', 'South Minnie', '716', 'Texas', 'USA'); Zakaryhaven, WY 22945-1534', 'Apt. 419', 'North Trystanborough', '112', 'Vermont', 'USA'); West Jarret, MI 01112', 'Apt. 884', 'Lake Kaley', '431', 'Washington', 'USA'); Haleighstad, MS 55164', 'Suite 333', 'Stephaniemouth', '559', 'Massachusetts', 'USA'); East Isabellashire, ND 03506', 'Suite 370', 'O''Connellview', '514', 'NewMexico', 'USA'); Lacyville, VT 34059', 'Suite 764', 'New Alta', '176', 'Mississippi', 'USA'); Berniershire, KS 00038-7574', 'Apt. 903', 'South Keenan', '613', 'Michigan', 'USA'); Port Maxime, NJ 91550-5409', 'Suite 903', 'Hannahside', '354', 'Connecticut', 'USA'); Olsontown, DC 20894', 'Apt. 756', 'Alizeshire', '687', 'NewMexico', 'USA'); Baileymouth, FL 06297-5606', 'Suite 087', 'South Naomibury', '079', 'Ohio', 'USA'); West Ashlynnchester, UT 91968', 'Apt. 617', 'East Tavaresburgh', '179', 'SouthDakota', 'USA'); Marquisestad, GA 38537', 'Apt. 435', 'Lake Devon', '244', 'SouthDakota', 'USA'); Oberbrunnerbury, LA 67451', 'Apt. 626', 'Boyleshire', '536', 'Kansas', 'USA'); North Oscartown, WI 31527', 'Apt. 849', 'Terencetown', '979', 'Michigan', 'USA'); CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ); CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ); CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ); CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ); CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ); CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ); CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ); CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) );

student_assessment

SELECT T2.student_id FROM courses AS T1 JOIN student_course_attendance AS T2 ON T1.course_id = T2.course_id WHERE T1.course_name = "statistics" ORDER BY T2.date_of_attendance

List the id of students who attended statistics courses in the order of attendance date.

PRAGMA foreign_keys = ON; CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ); New Albina, WA 19200-7914', 'Suite 096', 'Linnealand', '862', 'Montana', 'USA'); Lake Harmonyhaven, VA 65235', 'Apt. 163', 'South Minnie', '716', 'Texas', 'USA'); Zakaryhaven, WY 22945-1534', 'Apt. 419', 'North Trystanborough', '112', 'Vermont', 'USA'); West Jarret, MI 01112', 'Apt. 884', 'Lake Kaley', '431', 'Washington', 'USA'); Haleighstad, MS 55164', 'Suite 333', 'Stephaniemouth', '559', 'Massachusetts', 'USA'); East Isabellashire, ND 03506', 'Suite 370', 'O''Connellview', '514', 'NewMexico', 'USA'); Lacyville, VT 34059', 'Suite 764', 'New Alta', '176', 'Mississippi', 'USA'); Berniershire, KS 00038-7574', 'Apt. 903', 'South Keenan', '613', 'Michigan', 'USA'); Port Maxime, NJ 91550-5409', 'Suite 903', 'Hannahside', '354', 'Connecticut', 'USA'); Olsontown, DC 20894', 'Apt. 756', 'Alizeshire', '687', 'NewMexico', 'USA'); Baileymouth, FL 06297-5606', 'Suite 087', 'South Naomibury', '079', 'Ohio', 'USA'); West Ashlynnchester, UT 91968', 'Apt. 617', 'East Tavaresburgh', '179', 'SouthDakota', 'USA'); Marquisestad, GA 38537', 'Apt. 435', 'Lake Devon', '244', 'SouthDakota', 'USA'); Oberbrunnerbury, LA 67451', 'Apt. 626', 'Boyleshire', '536', 'Kansas', 'USA'); North Oscartown, WI 31527', 'Apt. 849', 'Terencetown', '979', 'Michigan', 'USA'); CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ); CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ); CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ); CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ); CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ); CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ); CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ); CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) );

student_assessment

SELECT T2.student_id FROM courses AS T1 JOIN student_course_attendance AS T2 ON T1.course_id = T2.course_id WHERE T1.course_name = "statistics" ORDER BY T2.date_of_attendance

What are the ids of the students who attended courses in the statistics department in order of attendance date.

PRAGMA foreign_keys = ON; CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ); New Albina, WA 19200-7914', 'Suite 096', 'Linnealand', '862', 'Montana', 'USA'); Lake Harmonyhaven, VA 65235', 'Apt. 163', 'South Minnie', '716', 'Texas', 'USA'); Zakaryhaven, WY 22945-1534', 'Apt. 419', 'North Trystanborough', '112', 'Vermont', 'USA'); West Jarret, MI 01112', 'Apt. 884', 'Lake Kaley', '431', 'Washington', 'USA'); Haleighstad, MS 55164', 'Suite 333', 'Stephaniemouth', '559', 'Massachusetts', 'USA'); East Isabellashire, ND 03506', 'Suite 370', 'O''Connellview', '514', 'NewMexico', 'USA'); Lacyville, VT 34059', 'Suite 764', 'New Alta', '176', 'Mississippi', 'USA'); Berniershire, KS 00038-7574', 'Apt. 903', 'South Keenan', '613', 'Michigan', 'USA'); Port Maxime, NJ 91550-5409', 'Suite 903', 'Hannahside', '354', 'Connecticut', 'USA'); Olsontown, DC 20894', 'Apt. 756', 'Alizeshire', '687', 'NewMexico', 'USA'); Baileymouth, FL 06297-5606', 'Suite 087', 'South Naomibury', '079', 'Ohio', 'USA'); West Ashlynnchester, UT 91968', 'Apt. 617', 'East Tavaresburgh', '179', 'SouthDakota', 'USA'); Marquisestad, GA 38537', 'Apt. 435', 'Lake Devon', '244', 'SouthDakota', 'USA'); Oberbrunnerbury, LA 67451', 'Apt. 626', 'Boyleshire', '536', 'Kansas', 'USA'); North Oscartown, WI 31527', 'Apt. 849', 'Terencetown', '979', 'Michigan', 'USA'); CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ); CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ); CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ); CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ); CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ); CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ); CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ); CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) );

bike_1

SELECT date FROM weather WHERE max_temperature_f > 85

Give me the dates when the max temperature was higher than 85.

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT date FROM weather WHERE max_temperature_f > 85

What are the dates with a maximum temperature higher than 85?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT name FROM station WHERE lat < 37.5

What are the names of stations that have latitude lower than 37.5?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT name FROM station WHERE lat < 37.5

What are the names of all stations with a latitude smaller than 37.5?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT city , max(lat) FROM station GROUP BY city

For each city, return the highest latitude among its stations.

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT city , max(lat) FROM station GROUP BY city

For each city, what is the highest latitude for its stations?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT start_station_name , end_station_name FROM trip ORDER BY id LIMIT 3

Give me the start station and end station for the trips with the three oldest id.

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT start_station_name , end_station_name FROM trip ORDER BY id LIMIT 3

What is the station station and end station for the trips with the three smallest ids?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT avg(lat) , avg(long) FROM station WHERE city = "San Jose"

What is the average latitude and longitude of stations located in San Jose city?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT avg(lat) , avg(long) FROM station WHERE city = "San Jose"

What is the average latitude and longitude in San Jose?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT id FROM trip ORDER BY duration LIMIT 1

What is the id of the trip that has the shortest duration?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT id FROM trip ORDER BY duration LIMIT 1

What is the id of the shortest trip?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT sum(duration) , max(duration) FROM trip WHERE bike_id = 636

What is the total and maximum duration of trips with bike id 636?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT sum(duration) , max(duration) FROM trip WHERE bike_id = 636

What is the total and maximum duration for all trips with the bike id 636?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT zip_code , avg(mean_temperature_f) FROM weather WHERE date LIKE "8/%" GROUP BY zip_code

For each zip code, return the average mean temperature of August there.

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT zip_code , avg(mean_temperature_f) FROM weather WHERE date LIKE "8/%" GROUP BY zip_code

For each zip code, what is the average mean temperature for all dates that start with '8'?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT count(DISTINCT bike_id) FROM trip

From the trip record, find the number of unique bikes.

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT count(DISTINCT bike_id) FROM trip

How many different bike ids are there?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT count(DISTINCT city) FROM station

What is the number of distinct cities the stations are located at?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT count(DISTINCT city) FROM station

How many different cities have these stations?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT COUNT(*) FROM station WHERE city = "Mountain View"

How many stations does Mountain View city has?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT COUNT(*) FROM station WHERE city = "Mountain View"

How many stations are in Mountain View?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT DISTINCT T1.name FROM station AS T1 JOIN status AS T2 ON T1.id = T2.station_id WHERE T2.bikes_available = 7

Return the unique name for stations that have ever had 7 bikes available.

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT DISTINCT T1.name FROM station AS T1 JOIN status AS T2 ON T1.id = T2.station_id WHERE T2.bikes_available = 7

What are the different names for each station that has ever had 7 bikes available?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT start_station_name , start_station_id FROM trip WHERE start_date LIKE "8/%" GROUP BY start_station_name ORDER BY COUNT(*) DESC LIMIT 1

Which start station had the most trips starting from August? Give me the name and id of the station.

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT start_station_name , start_station_id FROM trip WHERE start_date LIKE "8/%" GROUP BY start_station_name ORDER BY COUNT(*) DESC LIMIT 1

What are the start station's name and id for the one that had the most start trips in August?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT bike_id FROM trip WHERE zip_code = 94002 GROUP BY bike_id ORDER BY COUNT(*) DESC LIMIT 1

Which bike traveled the most often in zip code 94002?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT bike_id FROM trip WHERE zip_code = 94002 GROUP BY bike_id ORDER BY COUNT(*) DESC LIMIT 1

What is the id of the bike that traveled the most in 94002?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT COUNT(*) FROM weather WHERE mean_humidity > 50 AND mean_visibility_miles > 8

How many days had both mean humidity above 50 and mean visibility above 8?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT COUNT(*) FROM weather WHERE mean_humidity > 50 AND mean_visibility_miles > 8

What is the number of days that had an average humity above 50 and an average visibility above 8?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT T1.lat , T1.long , T1.city FROM station AS T1 JOIN trip AS T2 ON T1.id = T2.start_station_id ORDER BY T2.duration LIMIT 1

What is the latitude, longitude, city of the station from which the shortest trip started?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT T1.lat , T1.long , T1.city FROM station AS T1 JOIN trip AS T2 ON T1.id = T2.start_station_id ORDER BY T2.duration LIMIT 1

What is the latitude, longitude, and city of the station from which the trip with smallest duration started?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT id FROM station WHERE city = "San Francisco" INTERSECT SELECT station_id FROM status GROUP BY station_id HAVING avg(bikes_available) > 10

What are the ids of stations that are located in San Francisco and have average bike availability above 10.

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT id FROM station WHERE city = "San Francisco" INTERSECT SELECT station_id FROM status GROUP BY station_id HAVING avg(bikes_available) > 10

What are the ids of the stations in San Francisco that normally have more than 10 bikes available?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT T1.name , T1.id FROM station AS T1 JOIN status AS T2 ON T1.id = T2.station_id GROUP BY T2.station_id HAVING avg(T2.bikes_available) > 14 UNION SELECT name , id FROM station WHERE installation_date LIKE "12/%"

What are the names and ids of stations that had more than 14 bikes available on average or were installed in December?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT T1.name , T1.id FROM station AS T1 JOIN status AS T2 ON T1.id = T2.station_id GROUP BY T2.station_id HAVING avg(T2.bikes_available) > 14 UNION SELECT name , id FROM station WHERE installation_date LIKE "12/%"

What are the names and ids of all stations that have more than 14 bikes available on average or had bikes installed in December?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT cloud_cover FROM weather WHERE zip_code = 94107 GROUP BY cloud_cover ORDER BY COUNT (*) DESC LIMIT 3

What is the 3 most common cloud cover rates in the region of zip code 94107?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT cloud_cover FROM weather WHERE zip_code = 94107 GROUP BY cloud_cover ORDER BY COUNT (*) DESC LIMIT 3

What are the 3 most common cloud covers in the zip code of 94107?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT zip_code FROM weather GROUP BY zip_code ORDER BY avg(mean_sea_level_pressure_inches) LIMIT 1

What is the zip code in which the average mean sea level pressure is the lowest?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT zip_code FROM weather GROUP BY zip_code ORDER BY avg(mean_sea_level_pressure_inches) LIMIT 1

What is the zip code that has the lowest average mean sea level pressure?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT avg(bikes_available) FROM status WHERE station_id NOT IN (SELECT id FROM station WHERE city = "Palo Alto")

What is the average bike availability in stations that are not located in Palo Alto?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT avg(bikes_available) FROM status WHERE station_id NOT IN (SELECT id FROM station WHERE city = "Palo Alto")

What is the average bike availablility for stations not in Palo Alto?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT avg(long) FROM station WHERE id NOT IN (SELECT station_id FROM status GROUP BY station_id HAVING max(bikes_available) > 10)

What is the average longitude of stations that never had bike availability more than 10?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT avg(long) FROM station WHERE id NOT IN (SELECT station_id FROM status GROUP BY station_id HAVING max(bikes_available) > 10)

What is the mean longitude for all stations that have never had more than 10 bikes available?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT date , zip_code FROM weather WHERE max_temperature_f >= 80

When and in what zip code did max temperature reach 80?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT date , zip_code FROM weather WHERE max_temperature_f >= 80

What zip codes have a station with a max temperature greater than or equal to 80 and when did it reach that temperature?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT T1.id FROM trip AS T1 JOIN weather AS T2 ON T1.zip_code = T2.zip_code GROUP BY T2.zip_code HAVING avg(T2.mean_temperature_f) > 60

Give me ids for all the trip that took place in a zip code area with average mean temperature above 60.

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT T1.id FROM trip AS T1 JOIN weather AS T2 ON T1.zip_code = T2.zip_code GROUP BY T2.zip_code HAVING avg(T2.mean_temperature_f) > 60

For each zip code, find the ids of all trips that have a higher average mean temperature above 60?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT zip_code , count(*) FROM weather WHERE max_wind_Speed_mph >= 25 GROUP BY zip_code

For each zip code, return how many times max wind speed reached 25?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT zip_code , count(*) FROM weather WHERE max_wind_Speed_mph >= 25 GROUP BY zip_code

For each zip code, how many times has the maximum wind speed reached 25 mph?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT date , zip_code FROM weather WHERE min_dew_point_f < (SELECT min(min_dew_point_f) FROM weather WHERE zip_code = 94107)

On which day and in which zip code was the min dew point lower than any day in zip code 94107?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT date , zip_code FROM weather WHERE min_dew_point_f < (SELECT min(min_dew_point_f) FROM weather WHERE zip_code = 94107)

Which days had a minimum dew point smaller than any day in zip code 94107, and in which zip codes were those measurements taken?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT T1.id , T2.installation_date FROM trip AS T1 JOIN station AS T2 ON T1.end_station_id = T2.id

For each trip, return its ending station's installation date.

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT T1.id , T2.installation_date FROM trip AS T1 JOIN station AS T2 ON T1.end_station_id = T2.id

What is the installation date for each ending station on all the trips?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT T1.id FROM trip AS T1 JOIN station AS T2 ON T1.start_station_id = T2.id ORDER BY T2.dock_count DESC LIMIT 1

Which trip started from the station with the largest dock count? Give me the trip id.

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT T1.id FROM trip AS T1 JOIN station AS T2 ON T1.start_station_id = T2.id ORDER BY T2.dock_count DESC LIMIT 1

What is the id of the trip that started from the station with the highest dock count?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT count(*) FROM trip AS T1 JOIN station AS T2 ON T1.end_station_id = T2.id WHERE T2.city != "San Francisco"

Count the number of trips that did not end in San Francisco city.

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT count(*) FROM trip AS T1 JOIN station AS T2 ON T1.end_station_id = T2.id WHERE T2.city != "San Francisco"

How many trips did not end in San Francisco?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT date FROM weather WHERE zip_code = 94107 AND EVENTS != "Fog" AND EVENTS != "Rain"

In zip code 94107, on which day neither Fog nor Rain was not observed?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT date FROM weather WHERE zip_code = 94107 AND EVENTS != "Fog" AND EVENTS != "Rain"

On which day has it neither been foggy nor rained in the zip code of 94107?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT id FROM station WHERE lat > 37.4 EXCEPT SELECT station_id FROM status GROUP BY station_id HAVING min(bikes_available) < 7

What are the ids of stations that have latitude above 37.4 and never had bike availability below 7?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT id FROM station WHERE lat > 37.4 EXCEPT SELECT station_id FROM status GROUP BY station_id HAVING min(bikes_available) < 7

What are the ids of all stations that have a latitude above 37.4 and have never had less than 7 bikes available?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT T1.name FROM station AS T1 JOIN status AS T2 ON T1.id = T2.station_id GROUP BY T2.station_id HAVING avg(bikes_available) > 10 EXCEPT SELECT name FROM station WHERE city = "San Jose"

What are names of stations that have average bike availability above 10 and are not located in San Jose city?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT T1.name FROM station AS T1 JOIN status AS T2 ON T1.id = T2.station_id GROUP BY T2.station_id HAVING avg(bikes_available) > 10 EXCEPT SELECT name FROM station WHERE city = "San Jose"

What are the names of all stations that have more than 10 bikes available and are not located in San Jose?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT name , lat , city FROM station ORDER BY lat LIMIT 1

What are the name, latitude, and city of the station with the lowest latitude?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT name , lat , city FROM station ORDER BY lat LIMIT 1

What is the name, latitude, and city of the station that is located the furthest South?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT date , mean_temperature_f , mean_humidity FROM weather ORDER BY max_gust_speed_mph DESC LIMIT 3

What are the date, mean temperature and mean humidity for the top 3 days with the largest max gust speeds?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT date , mean_temperature_f , mean_humidity FROM weather ORDER BY max_gust_speed_mph DESC LIMIT 3

What is the date, average temperature and mean humidity for the days with the 3 largest maximum gust speeds?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT city , COUNT(*) FROM station GROUP BY city HAVING COUNT(*) >= 15

List the name and the number of stations for all the cities that have at least 15 stations.

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT city , COUNT(*) FROM station GROUP BY city HAVING COUNT(*) >= 15

What is the name of every city that has at least 15 stations and how many stations does it have?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT start_station_id , start_station_name FROM trip GROUP BY start_station_name HAVING COUNT(*) >= 200

Find the ids and names of stations from which at least 200 trips started.

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT start_station_id , start_station_name FROM trip GROUP BY start_station_name HAVING COUNT(*) >= 200

What are the ids and names of all start stations that were the beginning of at least 200 trips?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT zip_code FROM weather GROUP BY zip_code HAVING avg(mean_visibility_miles) < 10

Find the zip code in which the average mean visibility is lower than 10.

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT zip_code FROM weather GROUP BY zip_code HAVING avg(mean_visibility_miles) < 10

For each zip code, select all those that have an average mean visiblity below 10.

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT city FROM station GROUP BY city ORDER BY max(lat) DESC

List all the cities in a decreasing order of each city's stations' highest latitude.

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT city FROM station GROUP BY city ORDER BY max(lat) DESC

For each city, list their names in decreasing order by their highest station latitude.

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT date , cloud_cover FROM weather ORDER BY cloud_cover DESC LIMIT 5

What are the dates that had the top 5 cloud cover rates? Also tell me the cloud cover rate.

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT date , cloud_cover FROM weather ORDER BY cloud_cover DESC LIMIT 5

What are the dates that have the 5 highest cloud cover rates and what are the rates?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT id , duration FROM trip ORDER BY duration DESC LIMIT 3

What are the ids and durations of the trips with the top 3 durations?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT id , duration FROM trip ORDER BY duration DESC LIMIT 3

What are the ids of the trips that lasted the longest and how long did they last?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT T1.name , T1.long , avg(T2.duration) FROM station AS T1 JOIN trip AS T2 ON T1.id = T2.start_station_id GROUP BY T2.start_station_id

For each station, return its longitude and the average duration of trips that started from the station.

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT T1.name , T1.long , avg(T2.duration) FROM station AS T1 JOIN trip AS T2 ON T1.id = T2.start_station_id GROUP BY T2.start_station_id

For each start station id, what is its name, longitude and average duration of trips started there?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT T1.name , T1.lat , min(T2.duration) FROM station AS T1 JOIN trip AS T2 ON T1.id = T2.end_station_id GROUP BY T2.end_station_id

For each station, find its latitude and the minimum duration of trips that ended at the station.

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT T1.name , T1.lat , min(T2.duration) FROM station AS T1 JOIN trip AS T2 ON T1.id = T2.end_station_id GROUP BY T2.end_station_id

For each end station id, what is its name, latitude, and minimum duration for trips ended there?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT DISTINCT start_station_name FROM trip WHERE duration < 100

List all the distinct stations from which a trip of duration below 100 started.

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT DISTINCT start_station_name FROM trip WHERE duration < 100

What are all the different start station names for a trip that lasted less than 100?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT DISTINCT zip_code FROM weather EXCEPT SELECT DISTINCT zip_code FROM weather WHERE max_dew_point_f >= 70

Find all the zip codes in which the max dew point have never reached 70.

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT DISTINCT zip_code FROM weather EXCEPT SELECT DISTINCT zip_code FROM weather WHERE max_dew_point_f >= 70

What are all the different zip codes that have a maximum dew point that was always below 70?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT id FROM trip WHERE duration >= (SELECT avg(duration) FROM trip WHERE zip_code = 94103)

Find the id for the trips that lasted at least as long as the average duration of trips in zip code 94103.

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT id FROM trip WHERE duration >= (SELECT avg(duration) FROM trip WHERE zip_code = 94103)

What are the ids of all trips that had a duration as long as the average trip duration in the zip code 94103?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;

bike_1

SELECT date FROM weather WHERE mean_sea_level_pressure_inches BETWEEN 30.3 AND 31

What are the dates in which the mean sea level pressure was between 30.3 and 31?

PRAGMA foreign_keys=OFF; BEGIN TRANSACTION; CREATE TABLE station ( id INTEGER PRIMARY KEY, name TEXT, lat NUMERIC, long NUMERIC, dock_count INTEGER, city TEXT, installation_date TEXT); CREATE TABLE status ( station_id INTEGER, bikes_available INTEGER, docks_available INTEGER, time TEXT, FOREIGN KEY (station_id) REFERENCES station(id) ); CREATE TABLE trip ( id INTEGER PRIMARY KEY, duration INTEGER, start_date TEXT, start_station_name TEXT, -- this should be removed start_station_id INTEGER, end_date TEXT, end_station_name TEXT, -- this should be removed end_station_id INTEGER, bike_id INTEGER, subscription_type TEXT, zip_code INTEGER); CREATE TABLE weather ( date TEXT, max_temperature_f INTEGER, mean_temperature_f INTEGER, min_temperature_f INTEGER, max_dew_point_f INTEGER, mean_dew_point_f INTEGER, min_dew_point_f INTEGER, max_humidity INTEGER, mean_humidity INTEGER, min_humidity INTEGER, max_sea_level_pressure_inches NUMERIC, mean_sea_level_pressure_inches NUMERIC, min_sea_level_pressure_inches NUMERIC, max_visibility_miles INTEGER, mean_visibility_miles INTEGER, min_visibility_miles INTEGER, max_wind_Speed_mph INTEGER, mean_wind_speed_mph INTEGER, max_gust_speed_mph INTEGER, precipitation_inches INTEGER, cloud_cover INTEGER, events TEXT, wind_dir_degrees INTEGER, zip_code INTEGER); COMMIT;