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flight_1
SELECT T1.name FROM Employee AS T1 JOIN Certificate AS T2 ON T1.eid = T2.eid JOIN Aircraft AS T3 ON T3.aid = T2.aid WHERE T3.name = "Boeing 737-800" INTERSECT SELECT T1.name FROM Employee AS T1 JOIN Certificate AS T2 ON T1.eid = T2.eid JOIN Aircraft AS T3 ON T3.aid = T2.aid WHERE T3.name = "Airbus A340-300"
Show names for all employees who have certificates on both Boeing 737-800 and Airbus A340-300.
create table flight( flno number(4,0) primary key, origin varchar2(20), destination varchar2(20), distance number(6,0), departure_date date, arrival_date date, price number(7,2), aid number(9,0), foreign key("aid") references `aircraft`("aid")); create table aircraft( aid number(9,0) primary key, name varchar2(30), distance number(6,0)); create table employee( eid number(9,0) primary key, name varchar2(30), salary number(10,2)); create table certificate( eid number(9,0), aid number(9,0), primary key(eid,aid), foreign key("eid") references `employee`("eid"), foreign key("aid") references `aircraft`("aid")); INSERT INTO flight (FLNO, origin, destination, distance, departure_date, arrival_date, price,aid) VALUES (99.0,'Los Angeles','Washington D.C.',2308.0,'04/12/2005 09:30','04/12/2005 09:40',235.98, 1); INSERT into aircraft (AID,name,distance) values ('1','Boeing 747-400','8430'); INSERT into employee (EID,name,salary) values ('242518965','James Smith','120433'); INSERT into certificate (EID,AID) values ('11564812','2');
flight_1
SELECT T1.name FROM Employee AS T1 JOIN Certificate AS T2 ON T1.eid = T2.eid JOIN Aircraft AS T3 ON T3.aid = T2.aid WHERE T3.name = "Boeing 737-800" INTERSECT SELECT T1.name FROM Employee AS T1 JOIN Certificate AS T2 ON T1.eid = T2.eid JOIN Aircraft AS T3 ON T3.aid = T2.aid WHERE T3.name = "Airbus A340-300"
What are the names of all employees who can fly both the Boeing 737-800 and the Airbus A340-300?
create table flight( flno number(4,0) primary key, origin varchar2(20), destination varchar2(20), distance number(6,0), departure_date date, arrival_date date, price number(7,2), aid number(9,0), foreign key("aid") references `aircraft`("aid")); create table aircraft( aid number(9,0) primary key, name varchar2(30), distance number(6,0)); create table employee( eid number(9,0) primary key, name varchar2(30), salary number(10,2)); create table certificate( eid number(9,0), aid number(9,0), primary key(eid,aid), foreign key("eid") references `employee`("eid"), foreign key("aid") references `aircraft`("aid")); INSERT INTO flight (FLNO, origin, destination, distance, departure_date, arrival_date, price,aid) VALUES (99.0,'Los Angeles','Washington D.C.',2308.0,'04/12/2005 09:30','04/12/2005 09:40',235.98, 1); INSERT into aircraft (AID,name,distance) values ('1','Boeing 747-400','8430'); INSERT into employee (EID,name,salary) values ('242518965','James Smith','120433'); INSERT into certificate (EID,AID) values ('11564812','2');
flight_1
SELECT name FROM Employee EXCEPT SELECT T1.name FROM Employee AS T1 JOIN Certificate AS T2 ON T1.eid = T2.eid JOIN Aircraft AS T3 ON T3.aid = T2.aid WHERE T3.name = "Boeing 737-800"
Show names for all employees who do not have certificate of Boeing 737-800.
create table flight( flno number(4,0) primary key, origin varchar2(20), destination varchar2(20), distance number(6,0), departure_date date, arrival_date date, price number(7,2), aid number(9,0), foreign key("aid") references `aircraft`("aid")); create table aircraft( aid number(9,0) primary key, name varchar2(30), distance number(6,0)); create table employee( eid number(9,0) primary key, name varchar2(30), salary number(10,2)); create table certificate( eid number(9,0), aid number(9,0), primary key(eid,aid), foreign key("eid") references `employee`("eid"), foreign key("aid") references `aircraft`("aid")); INSERT INTO flight (FLNO, origin, destination, distance, departure_date, arrival_date, price,aid) VALUES (99.0,'Los Angeles','Washington D.C.',2308.0,'04/12/2005 09:30','04/12/2005 09:40',235.98, 1); INSERT into aircraft (AID,name,distance) values ('1','Boeing 747-400','8430'); INSERT into employee (EID,name,salary) values ('242518965','James Smith','120433'); INSERT into certificate (EID,AID) values ('11564812','2');
flight_1
SELECT name FROM Employee EXCEPT SELECT T1.name FROM Employee AS T1 JOIN Certificate AS T2 ON T1.eid = T2.eid JOIN Aircraft AS T3 ON T3.aid = T2.aid WHERE T3.name = "Boeing 737-800"
What are the names of all employees who are not certified to fly Boeing 737-800s?
create table flight( flno number(4,0) primary key, origin varchar2(20), destination varchar2(20), distance number(6,0), departure_date date, arrival_date date, price number(7,2), aid number(9,0), foreign key("aid") references `aircraft`("aid")); create table aircraft( aid number(9,0) primary key, name varchar2(30), distance number(6,0)); create table employee( eid number(9,0) primary key, name varchar2(30), salary number(10,2)); create table certificate( eid number(9,0), aid number(9,0), primary key(eid,aid), foreign key("eid") references `employee`("eid"), foreign key("aid") references `aircraft`("aid")); INSERT INTO flight (FLNO, origin, destination, distance, departure_date, arrival_date, price,aid) VALUES (99.0,'Los Angeles','Washington D.C.',2308.0,'04/12/2005 09:30','04/12/2005 09:40',235.98, 1); INSERT into aircraft (AID,name,distance) values ('1','Boeing 747-400','8430'); INSERT into employee (EID,name,salary) values ('242518965','James Smith','120433'); INSERT into certificate (EID,AID) values ('11564812','2');
flight_1
SELECT T2.name FROM Certificate AS T1 JOIN Aircraft AS T2 ON T2.aid = T1.aid GROUP BY T1.aid ORDER BY count(*) DESC LIMIT 1
Show the name of aircraft which fewest people have its certificate.
create table flight( flno number(4,0) primary key, origin varchar2(20), destination varchar2(20), distance number(6,0), departure_date date, arrival_date date, price number(7,2), aid number(9,0), foreign key("aid") references `aircraft`("aid")); create table aircraft( aid number(9,0) primary key, name varchar2(30), distance number(6,0)); create table employee( eid number(9,0) primary key, name varchar2(30), salary number(10,2)); create table certificate( eid number(9,0), aid number(9,0), primary key(eid,aid), foreign key("eid") references `employee`("eid"), foreign key("aid") references `aircraft`("aid")); INSERT INTO flight (FLNO, origin, destination, distance, departure_date, arrival_date, price,aid) VALUES (99.0,'Los Angeles','Washington D.C.',2308.0,'04/12/2005 09:30','04/12/2005 09:40',235.98, 1); INSERT into aircraft (AID,name,distance) values ('1','Boeing 747-400','8430'); INSERT into employee (EID,name,salary) values ('242518965','James Smith','120433'); INSERT into certificate (EID,AID) values ('11564812','2');
flight_1
SELECT T2.name FROM Certificate AS T1 JOIN Aircraft AS T2 ON T2.aid = T1.aid GROUP BY T1.aid ORDER BY count(*) DESC LIMIT 1
What are the names of the aircraft that the least people are certified to fly?
create table flight( flno number(4,0) primary key, origin varchar2(20), destination varchar2(20), distance number(6,0), departure_date date, arrival_date date, price number(7,2), aid number(9,0), foreign key("aid") references `aircraft`("aid")); create table aircraft( aid number(9,0) primary key, name varchar2(30), distance number(6,0)); create table employee( eid number(9,0) primary key, name varchar2(30), salary number(10,2)); create table certificate( eid number(9,0), aid number(9,0), primary key(eid,aid), foreign key("eid") references `employee`("eid"), foreign key("aid") references `aircraft`("aid")); INSERT INTO flight (FLNO, origin, destination, distance, departure_date, arrival_date, price,aid) VALUES (99.0,'Los Angeles','Washington D.C.',2308.0,'04/12/2005 09:30','04/12/2005 09:40',235.98, 1); INSERT into aircraft (AID,name,distance) values ('1','Boeing 747-400','8430'); INSERT into employee (EID,name,salary) values ('242518965','James Smith','120433'); INSERT into certificate (EID,AID) values ('11564812','2');
flight_1
SELECT T2.name FROM Certificate AS T1 JOIN Aircraft AS T2 ON T2.aid = T1.aid WHERE T2.distance > 5000 GROUP BY T1.aid ORDER BY count(*) >= 5
Show the name and distance of the aircrafts with more than 5000 distance and which at least 5 people have its certificate.
create table flight( flno number(4,0) primary key, origin varchar2(20), destination varchar2(20), distance number(6,0), departure_date date, arrival_date date, price number(7,2), aid number(9,0), foreign key("aid") references `aircraft`("aid")); create table aircraft( aid number(9,0) primary key, name varchar2(30), distance number(6,0)); create table employee( eid number(9,0) primary key, name varchar2(30), salary number(10,2)); create table certificate( eid number(9,0), aid number(9,0), primary key(eid,aid), foreign key("eid") references `employee`("eid"), foreign key("aid") references `aircraft`("aid")); INSERT INTO flight (FLNO, origin, destination, distance, departure_date, arrival_date, price,aid) VALUES (99.0,'Los Angeles','Washington D.C.',2308.0,'04/12/2005 09:30','04/12/2005 09:40',235.98, 1); INSERT into aircraft (AID,name,distance) values ('1','Boeing 747-400','8430'); INSERT into employee (EID,name,salary) values ('242518965','James Smith','120433'); INSERT into certificate (EID,AID) values ('11564812','2');
flight_1
SELECT T2.name FROM Certificate AS T1 JOIN Aircraft AS T2 ON T2.aid = T1.aid WHERE T2.distance > 5000 GROUP BY T1.aid ORDER BY count(*) >= 5
What is the name and distance of every aircraft that can cover a distance of more than 5000 and which at least 5 people can fly?
create table flight( flno number(4,0) primary key, origin varchar2(20), destination varchar2(20), distance number(6,0), departure_date date, arrival_date date, price number(7,2), aid number(9,0), foreign key("aid") references `aircraft`("aid")); create table aircraft( aid number(9,0) primary key, name varchar2(30), distance number(6,0)); create table employee( eid number(9,0) primary key, name varchar2(30), salary number(10,2)); create table certificate( eid number(9,0), aid number(9,0), primary key(eid,aid), foreign key("eid") references `employee`("eid"), foreign key("aid") references `aircraft`("aid")); INSERT INTO flight (FLNO, origin, destination, distance, departure_date, arrival_date, price,aid) VALUES (99.0,'Los Angeles','Washington D.C.',2308.0,'04/12/2005 09:30','04/12/2005 09:40',235.98, 1); INSERT into aircraft (AID,name,distance) values ('1','Boeing 747-400','8430'); INSERT into employee (EID,name,salary) values ('242518965','James Smith','120433'); INSERT into certificate (EID,AID) values ('11564812','2');
flight_1
SELECT T1.name , T1.salary FROM Employee AS T1 JOIN Certificate AS T2 ON T1.eid = T2.eid GROUP BY T1.eid ORDER BY count(*) DESC LIMIT 1
what is the salary and name of the employee who has the most number of aircraft certificates?
create table flight( flno number(4,0) primary key, origin varchar2(20), destination varchar2(20), distance number(6,0), departure_date date, arrival_date date, price number(7,2), aid number(9,0), foreign key("aid") references `aircraft`("aid")); create table aircraft( aid number(9,0) primary key, name varchar2(30), distance number(6,0)); create table employee( eid number(9,0) primary key, name varchar2(30), salary number(10,2)); create table certificate( eid number(9,0), aid number(9,0), primary key(eid,aid), foreign key("eid") references `employee`("eid"), foreign key("aid") references `aircraft`("aid")); INSERT INTO flight (FLNO, origin, destination, distance, departure_date, arrival_date, price,aid) VALUES (99.0,'Los Angeles','Washington D.C.',2308.0,'04/12/2005 09:30','04/12/2005 09:40',235.98, 1); INSERT into aircraft (AID,name,distance) values ('1','Boeing 747-400','8430'); INSERT into employee (EID,name,salary) values ('242518965','James Smith','120433'); INSERT into certificate (EID,AID) values ('11564812','2');
flight_1
SELECT T1.name , T1.salary FROM Employee AS T1 JOIN Certificate AS T2 ON T1.eid = T2.eid GROUP BY T1.eid ORDER BY count(*) DESC LIMIT 1
What is the salaray and name of the employee that is certified to fly the most planes?
create table flight( flno number(4,0) primary key, origin varchar2(20), destination varchar2(20), distance number(6,0), departure_date date, arrival_date date, price number(7,2), aid number(9,0), foreign key("aid") references `aircraft`("aid")); create table aircraft( aid number(9,0) primary key, name varchar2(30), distance number(6,0)); create table employee( eid number(9,0) primary key, name varchar2(30), salary number(10,2)); create table certificate( eid number(9,0), aid number(9,0), primary key(eid,aid), foreign key("eid") references `employee`("eid"), foreign key("aid") references `aircraft`("aid")); INSERT INTO flight (FLNO, origin, destination, distance, departure_date, arrival_date, price,aid) VALUES (99.0,'Los Angeles','Washington D.C.',2308.0,'04/12/2005 09:30','04/12/2005 09:40',235.98, 1); INSERT into aircraft (AID,name,distance) values ('1','Boeing 747-400','8430'); INSERT into employee (EID,name,salary) values ('242518965','James Smith','120433'); INSERT into certificate (EID,AID) values ('11564812','2');
flight_1
SELECT T1.name FROM Employee AS T1 JOIN Certificate AS T2 ON T1.eid = T2.eid JOIN Aircraft AS T3 ON T3.aid = T2.aid WHERE T3.distance > 5000 GROUP BY T1.eid ORDER BY count(*) DESC LIMIT 1
What is the salary and name of the employee who has the most number of certificates on aircrafts with distance more than 5000?
create table flight( flno number(4,0) primary key, origin varchar2(20), destination varchar2(20), distance number(6,0), departure_date date, arrival_date date, price number(7,2), aid number(9,0), foreign key("aid") references `aircraft`("aid")); create table aircraft( aid number(9,0) primary key, name varchar2(30), distance number(6,0)); create table employee( eid number(9,0) primary key, name varchar2(30), salary number(10,2)); create table certificate( eid number(9,0), aid number(9,0), primary key(eid,aid), foreign key("eid") references `employee`("eid"), foreign key("aid") references `aircraft`("aid")); INSERT INTO flight (FLNO, origin, destination, distance, departure_date, arrival_date, price,aid) VALUES (99.0,'Los Angeles','Washington D.C.',2308.0,'04/12/2005 09:30','04/12/2005 09:40',235.98, 1); INSERT into aircraft (AID,name,distance) values ('1','Boeing 747-400','8430'); INSERT into employee (EID,name,salary) values ('242518965','James Smith','120433'); INSERT into certificate (EID,AID) values ('11564812','2');
flight_1
SELECT T1.name FROM Employee AS T1 JOIN Certificate AS T2 ON T1.eid = T2.eid JOIN Aircraft AS T3 ON T3.aid = T2.aid WHERE T3.distance > 5000 GROUP BY T1.eid ORDER BY count(*) DESC LIMIT 1
What is the salaray and name of the employee with the most certificates to fly planes more than 5000?
create table flight( flno number(4,0) primary key, origin varchar2(20), destination varchar2(20), distance number(6,0), departure_date date, arrival_date date, price number(7,2), aid number(9,0), foreign key("aid") references `aircraft`("aid")); create table aircraft( aid number(9,0) primary key, name varchar2(30), distance number(6,0)); create table employee( eid number(9,0) primary key, name varchar2(30), salary number(10,2)); create table certificate( eid number(9,0), aid number(9,0), primary key(eid,aid), foreign key("eid") references `employee`("eid"), foreign key("aid") references `aircraft`("aid")); INSERT INTO flight (FLNO, origin, destination, distance, departure_date, arrival_date, price,aid) VALUES (99.0,'Los Angeles','Washington D.C.',2308.0,'04/12/2005 09:30','04/12/2005 09:40',235.98, 1); INSERT into aircraft (AID,name,distance) values ('1','Boeing 747-400','8430'); INSERT into employee (EID,name,salary) values ('242518965','James Smith','120433'); INSERT into certificate (EID,AID) values ('11564812','2');
allergy_1
SELECT count(DISTINCT allergy) FROM Allergy_type
How many allergies are there?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT count(DISTINCT allergy) FROM Allergy_type
How many allergy entries are there?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT count(DISTINCT allergytype) FROM Allergy_type
How many different allergy types exist?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT count(DISTINCT allergytype) FROM Allergy_type
How many distinct allergies are there?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT DISTINCT allergytype FROM Allergy_type
Show all allergy types.
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT DISTINCT allergytype FROM Allergy_type
What are the different allergy types?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT allergy , allergytype FROM Allergy_type
Show all allergies and their types.
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT allergy , allergytype FROM Allergy_type
What are the allergies and their types?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT DISTINCT allergy FROM Allergy_type WHERE allergytype = "food"
Show all allergies with type food.
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT DISTINCT allergy FROM Allergy_type WHERE allergytype = "food"
What are all the different food allergies?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT allergytype FROM Allergy_type WHERE allergy = "Cat"
What is the type of allergy Cat?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT allergytype FROM Allergy_type WHERE allergy = "Cat"
What is allergy type of a cat allergy?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT count(*) FROM Allergy_type WHERE allergytype = "animal"
How many allergies have type animal?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT count(*) FROM Allergy_type WHERE allergytype = "animal"
How many animal type allergies exist?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT allergytype , count(*) FROM Allergy_type GROUP BY allergytype
Show all allergy types and the number of allergies in each type.
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT allergytype , count(*) FROM Allergy_type GROUP BY allergytype
What are the allergy types and how many allergies correspond to each one?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT allergytype FROM Allergy_type GROUP BY allergytype ORDER BY count(*) DESC LIMIT 1
Which allergy type has most number of allergies?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT allergytype FROM Allergy_type GROUP BY allergytype ORDER BY count(*) DESC LIMIT 1
Which allergy type is most common?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT allergytype FROM Allergy_type GROUP BY allergytype ORDER BY count(*) ASC LIMIT 1
Which allergy type has least number of allergies?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT allergytype FROM Allergy_type GROUP BY allergytype ORDER BY count(*) ASC LIMIT 1
Which allergy type is the least common?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT count(*) FROM Student
How many students are there?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT count(*) FROM Student
What is the total number of students?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT Fname , Lname FROM Student
Show first name and last name for all students.
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT Fname , Lname FROM Student
What are the full names of all students
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT count(DISTINCT advisor) FROM Student
How many different advisors are listed?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT count(DISTINCT advisor) FROM Student
How many advisors are there?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT DISTINCT Major FROM Student
Show all majors.
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT DISTINCT Major FROM Student
What are the different majors?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT DISTINCT city_code FROM Student
Show all cities where students live.
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT DISTINCT city_code FROM Student
What cities do students live in?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT Fname , Lname , Age FROM Student WHERE Sex = 'F'
Show first name, last name, age for all female students. Their sex is F.
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT Fname , Lname , Age FROM Student WHERE Sex = 'F'
What are the full names and ages for all female students whose sex is F?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT StuID FROM Student WHERE Sex = 'M'
Show student ids for all male students.
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT StuID FROM Student WHERE Sex = 'M'
What are the student ids for all male students?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT count(*) FROM Student WHERE age = 18
How many students are age 18?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT count(*) FROM Student WHERE age = 18
How many students are 18 years old?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT StuID FROM Student WHERE age > 20
Show all student ids who are older than 20.
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT StuID FROM Student WHERE age > 20
What are the student ids for students over 20 years old?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT city_code FROM Student WHERE LName = "Kim"
Which city does the student whose last name is "Kim" live in?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT city_code FROM Student WHERE LName = "Kim"
Give the city that the student whose family name is Kim lives in.
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT Advisor FROM Student WHERE StuID = 1004
Who is the advisor of student with ID 1004?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT Advisor FROM Student WHERE StuID = 1004
Who advises student 1004?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT count(*) FROM Student WHERE city_code = "HKG" OR city_code = "CHI"
How many students live in HKG or CHI?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT count(*) FROM Student WHERE city_code = "HKG" OR city_code = "CHI"
Give the number of students living in either HKG or CHI.
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT min(age) , avg(age) , max(age) FROM Student
Show the minimum, average, and maximum age of all students.
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT min(age) , avg(age) , max(age) FROM Student
What is the minimum, mean, and maximum age across all students?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT LName FROM Student WHERE age = (SELECT min(age) FROM Student)
What is the last name of the youngest student?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT LName FROM Student WHERE age = (SELECT min(age) FROM Student)
Provide the last name of the youngest student.
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT StuID FROM Student WHERE age = (SELECT max(age) FROM Student)
Show the student id of the oldest student.
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT StuID FROM Student WHERE age = (SELECT max(age) FROM Student)
What student id corresponds to the oldest student?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT major , count(*) FROM Student GROUP BY major
Show all majors and corresponding number of students.
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT major , count(*) FROM Student GROUP BY major
How many students are there for each major?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT major FROM Student GROUP BY major ORDER BY count(*) DESC LIMIT 1
Which major has most number of students?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT major FROM Student GROUP BY major ORDER BY count(*) DESC LIMIT 1
What is the largest major?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT age , count(*) FROM Student GROUP BY age
Show all ages and corresponding number of students.
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT age , count(*) FROM Student GROUP BY age
How old is each student and how many students are each age?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT avg(age) , sex FROM Student GROUP BY sex
Show the average age for male and female students.
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT avg(age) , sex FROM Student GROUP BY sex
What are the average ages for male and female students?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT city_code , count(*) FROM Student GROUP BY city_code
Show all cities and corresponding number of students.
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT city_code , count(*) FROM Student GROUP BY city_code
How many students live in each city?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT advisor , count(*) FROM Student GROUP BY advisor
Show all advisors and corresponding number of students.
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT advisor , count(*) FROM Student GROUP BY advisor
How many students does each advisor have?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT advisor FROM Student GROUP BY advisor ORDER BY count(*) DESC LIMIT 1
Which advisor has most number of students?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT advisor FROM Student GROUP BY advisor ORDER BY count(*) DESC LIMIT 1
Give the advisor with the most students.
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT count(*) FROM Has_allergy WHERE Allergy = "Cat"
How many students have cat allergies?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT count(*) FROM Has_allergy WHERE Allergy = "Cat"
How many students are affected by cat allergies?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT StuID FROM Has_allergy GROUP BY StuID HAVING count(*) >= 2
Show all student IDs who have at least two allergies.
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT StuID FROM Has_allergy GROUP BY StuID HAVING count(*) >= 2
What are the students ids of students who have more than one allergy?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT StuID FROM Student EXCEPT SELECT StuID FROM Has_allergy
What are the student ids of students who don't have any allergies?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT StuID FROM Student EXCEPT SELECT StuID FROM Has_allergy
Which students are unaffected by allergies?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT count(*) FROM has_allergy AS T1 JOIN Student AS T2 ON T1.StuID = T2.StuID WHERE T2.sex = "F" AND T1.allergy = "Milk" OR T1.allergy = "Eggs"
How many female students have milk or egg allergies?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT count(*) FROM has_allergy AS T1 JOIN Student AS T2 ON T1.StuID = T2.StuID WHERE T2.sex = "F" AND T1.allergy = "Milk" OR T1.allergy = "Eggs"
How many students who are female are allergic to milk or eggs?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT count(*) FROM Has_allergy AS T1 JOIN Allergy_type AS T2 ON T1.allergy = T2.allergy WHERE T2.allergytype = "food"
How many students have a food allergy?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT count(*) FROM Has_allergy AS T1 JOIN Allergy_type AS T2 ON T1.allergy = T2.allergy WHERE T2.allergytype = "food"
How many students are affected by food related allergies?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT Allergy FROM Has_allergy GROUP BY Allergy ORDER BY count(*) DESC LIMIT 1
Which allergy has most number of students affected?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT Allergy FROM Has_allergy GROUP BY Allergy ORDER BY count(*) DESC LIMIT 1
Which allergy is the most common?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT Allergy , count(*) FROM Has_allergy GROUP BY Allergy
Show all allergies with number of students affected.
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT Allergy , count(*) FROM Has_allergy GROUP BY Allergy
How many students have each different allergy?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT T2.allergytype , count(*) FROM Has_allergy AS T1 JOIN Allergy_type AS T2 ON T1.allergy = T2.allergy GROUP BY T2.allergytype
Show all allergy type with number of students affected.
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT T2.allergytype , count(*) FROM Has_allergy AS T1 JOIN Allergy_type AS T2 ON T1.allergy = T2.allergy GROUP BY T2.allergytype
How many students are affected by each allergy type?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT lname , age FROM Student WHERE StuID IN (SELECT StuID FROM Has_allergy WHERE Allergy = "Milk" INTERSECT SELECT StuID FROM Has_allergy WHERE Allergy = "Cat")
Find the last name and age of the student who has allergy to both milk and cat.
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT lname , age FROM Student WHERE StuID IN (SELECT StuID FROM Has_allergy WHERE Allergy = "Milk" INTERSECT SELECT StuID FROM Has_allergy WHERE Allergy = "Cat")
What are the last names and ages of the students who are allergic to milk and cat?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT T1.Allergy , T1.AllergyType FROM Allergy_type AS T1 JOIN Has_allergy AS T2 ON T1.Allergy = T2.Allergy JOIN Student AS T3 ON T3.StuID = T2.StuID WHERE T3.Fname = "Lisa" ORDER BY T1.Allergy
What are the allergies and their types that the student with first name Lisa has? And order the result by name of allergies.
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT T1.Allergy , T1.AllergyType FROM Allergy_type AS T1 JOIN Has_allergy AS T2 ON T1.Allergy = T2.Allergy JOIN Student AS T3 ON T3.StuID = T2.StuID WHERE T3.Fname = "Lisa" ORDER BY T1.Allergy
What are the allergies the girl named Lisa has? And what are the types of them? Order the result by allergy names.
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT fname , sex FROM Student WHERE StuID IN (SELECT StuID FROM Has_allergy WHERE Allergy = "Milk" EXCEPT SELECT StuID FROM Has_allergy WHERE Allergy = "Cat")
Find the first name and gender of the student who has allergy to milk but not cat.
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT fname , sex FROM Student WHERE StuID IN (SELECT StuID FROM Has_allergy WHERE Allergy = "Milk" EXCEPT SELECT StuID FROM Has_allergy WHERE Allergy = "Cat")
What are the first name and gender of the students who have allergy to milk but can put up with cats?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT avg(age) FROM Student WHERE StuID IN ( SELECT T1.StuID FROM Has_allergy AS T1 JOIN Allergy_Type AS T2 ON T1.Allergy = T2.Allergy WHERE T2.allergytype = "food" INTERSECT SELECT T1.StuID FROM Has_allergy AS T1 JOIN Allergy_Type AS T2 ON T1.Allergy = T2.Allergy WHERE T2.allergytype = "animal")
Find the average age of the students who have allergies with food and animal types.
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]
allergy_1
SELECT avg(age) FROM Student WHERE StuID IN ( SELECT T1.StuID FROM Has_allergy AS T1 JOIN Allergy_Type AS T2 ON T1.Allergy = T2.Allergy WHERE T2.allergytype = "food" INTERSECT SELECT T1.StuID FROM Has_allergy AS T1 JOIN Allergy_Type AS T2 ON T1.Allergy = T2.Allergy WHERE T2.allergytype = "animal")
How old are the students with allergies to food and animal types on average?
create table Allergy_Type ( Allergy VARCHAR(20) PRIMARY KEY, AllergyType VARCHAR(20) ); create table Has_Allergy ( StuID INTEGER, Allergy VARCHAR(20), FOREIGN KEY(StuID) REFERENCES Student(StuID), FOREIGN KEY(Allergy) REFERENCES Allergy_Type(Allergy) ); create table Student ( StuID INTEGER PRIMARY KEY, LName VARCHAR(12), Fname VARCHAR(12), Age INTEGER, Sex VARCHAR(1), Major INTEGER, Advisor INTEGER, city_code VARCHAR(3) ); INSERT into Student values ( 1001, 'Smith', 'Linda', 18, 'F', 600, 1121,'BAL'); INSERT into Has_Allergy values ( 1001, 'Cat' ); INSERT into Allergy_Type values ( 'Eggs', 'food' ); INSERT INTO Allergy_Type VALUES [('Eggs', 'food'), ('Nuts', 'food')] INSERT INTO Has_Allergy VALUES [(1001, 'Cat'), (1002, 'Shellfish')] INSERT INTO Student VALUES [(1001, 'Smith', 'Linda', 18, 'F', 600, 1121, 'BAL'), (1002, 'Kim', 'Tracy', 19, 'F', 600, 7712, 'HKG')]