Datasets:

philikai

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SQL_Spider_DDL

like 1

CREATE TABLE "department" ( "Department_ID" int, "Name" text, "Creation" text, "Ranking" int, "Budget_in_Billions" real, "Num_Employees" real, PRIMARY KEY ("Department_ID") ) CREATE TABLE "head" ( "head_ID" int, "name" text, "born_state" text, "age" real, PRIMARY KEY ("head_ID") ) CREATE TABLE "management" ( "department_ID" int, "head_ID" int, "temporary_acting" text, PRIMARY KEY ("Department_ID","head_ID"), FOREIGN KEY ("Department_ID") REFERENCES `department`("Department_ID"), FOREIGN KEY ("head_ID") REFERENCES `head`("head_ID") )

SELECT count(*) FROM head WHERE age > 56

How many heads of the departments are older than 56 ?

department_management

CREATE TABLE "department" ( "Department_ID" int, "Name" text, "Creation" text, "Ranking" int, "Budget_in_Billions" real, "Num_Employees" real, PRIMARY KEY ("Department_ID") ) CREATE TABLE "head" ( "head_ID" int, "name" text, "born_state" text, "age" real, PRIMARY KEY ("head_ID") ) CREATE TABLE "management" ( "department_ID" int, "head_ID" int, "temporary_acting" text, PRIMARY KEY ("Department_ID","head_ID"), FOREIGN KEY ("Department_ID") REFERENCES `department`("Department_ID"), FOREIGN KEY ("head_ID") REFERENCES `head`("head_ID") )

SELECT name , born_state , age FROM head ORDER BY age

List the name, born state and age of the heads of departments ordered by age.

department_management

CREATE TABLE "department" ( "Department_ID" int, "Name" text, "Creation" text, "Ranking" int, "Budget_in_Billions" real, "Num_Employees" real, PRIMARY KEY ("Department_ID") ) CREATE TABLE "head" ( "head_ID" int, "name" text, "born_state" text, "age" real, PRIMARY KEY ("head_ID") ) CREATE TABLE "management" ( "department_ID" int, "head_ID" int, "temporary_acting" text, PRIMARY KEY ("Department_ID","head_ID"), FOREIGN KEY ("Department_ID") REFERENCES `department`("Department_ID"), FOREIGN KEY ("head_ID") REFERENCES `head`("head_ID") )

SELECT creation , name , budget_in_billions FROM department

List the creation year, name and budget of each department.

department_management

CREATE TABLE "department" ( "Department_ID" int, "Name" text, "Creation" text, "Ranking" int, "Budget_in_Billions" real, "Num_Employees" real, PRIMARY KEY ("Department_ID") ) CREATE TABLE "head" ( "head_ID" int, "name" text, "born_state" text, "age" real, PRIMARY KEY ("head_ID") ) CREATE TABLE "management" ( "department_ID" int, "head_ID" int, "temporary_acting" text, PRIMARY KEY ("Department_ID","head_ID"), FOREIGN KEY ("Department_ID") REFERENCES `department`("Department_ID"), FOREIGN KEY ("head_ID") REFERENCES `head`("head_ID") )

SELECT max(budget_in_billions) , min(budget_in_billions) FROM department

What are the maximum and minimum budget of the departments?

department_management

CREATE TABLE "department" ( "Department_ID" int, "Name" text, "Creation" text, "Ranking" int, "Budget_in_Billions" real, "Num_Employees" real, PRIMARY KEY ("Department_ID") ) CREATE TABLE "head" ( "head_ID" int, "name" text, "born_state" text, "age" real, PRIMARY KEY ("head_ID") ) CREATE TABLE "management" ( "department_ID" int, "head_ID" int, "temporary_acting" text, PRIMARY KEY ("Department_ID","head_ID"), FOREIGN KEY ("Department_ID") REFERENCES `department`("Department_ID"), FOREIGN KEY ("head_ID") REFERENCES `head`("head_ID") )

SELECT avg(num_employees) FROM department WHERE ranking BETWEEN 10 AND 15

What is the average number of employees of the departments whose rank is between 10 and 15?

department_management

CREATE TABLE "department" ( "Department_ID" int, "Name" text, "Creation" text, "Ranking" int, "Budget_in_Billions" real, "Num_Employees" real, PRIMARY KEY ("Department_ID") ) CREATE TABLE "head" ( "head_ID" int, "name" text, "born_state" text, "age" real, PRIMARY KEY ("head_ID") ) CREATE TABLE "management" ( "department_ID" int, "head_ID" int, "temporary_acting" text, PRIMARY KEY ("Department_ID","head_ID"), FOREIGN KEY ("Department_ID") REFERENCES `department`("Department_ID"), FOREIGN KEY ("head_ID") REFERENCES `head`("head_ID") )

SELECT name FROM head WHERE born_state != 'California'

What are the names of the heads who are born outside the California state?

department_management

CREATE TABLE "department" ( "Department_ID" int, "Name" text, "Creation" text, "Ranking" int, "Budget_in_Billions" real, "Num_Employees" real, PRIMARY KEY ("Department_ID") ) CREATE TABLE "head" ( "head_ID" int, "name" text, "born_state" text, "age" real, PRIMARY KEY ("head_ID") ) CREATE TABLE "management" ( "department_ID" int, "head_ID" int, "temporary_acting" text, PRIMARY KEY ("Department_ID","head_ID"), FOREIGN KEY ("Department_ID") REFERENCES `department`("Department_ID"), FOREIGN KEY ("head_ID") REFERENCES `head`("head_ID") )

SELECT DISTINCT T1.creation FROM department AS T1 JOIN management AS T2 ON T1.department_id = T2.department_id JOIN head AS T3 ON T2.head_id = T3.head_id WHERE T3.born_state = 'Alabama'

What are the distinct creation years of the departments managed by a secretary born in state 'Alabama'?

department_management

CREATE TABLE "department" ( "Department_ID" int, "Name" text, "Creation" text, "Ranking" int, "Budget_in_Billions" real, "Num_Employees" real, PRIMARY KEY ("Department_ID") ) CREATE TABLE "head" ( "head_ID" int, "name" text, "born_state" text, "age" real, PRIMARY KEY ("head_ID") ) CREATE TABLE "management" ( "department_ID" int, "head_ID" int, "temporary_acting" text, PRIMARY KEY ("Department_ID","head_ID"), FOREIGN KEY ("Department_ID") REFERENCES `department`("Department_ID"), FOREIGN KEY ("head_ID") REFERENCES `head`("head_ID") )

SELECT born_state FROM head GROUP BY born_state HAVING count(*) >= 3

What are the names of the states where at least 3 heads were born?

department_management

CREATE TABLE "department" ( "Department_ID" int, "Name" text, "Creation" text, "Ranking" int, "Budget_in_Billions" real, "Num_Employees" real, PRIMARY KEY ("Department_ID") ) CREATE TABLE "head" ( "head_ID" int, "name" text, "born_state" text, "age" real, PRIMARY KEY ("head_ID") ) CREATE TABLE "management" ( "department_ID" int, "head_ID" int, "temporary_acting" text, PRIMARY KEY ("Department_ID","head_ID"), FOREIGN KEY ("Department_ID") REFERENCES `department`("Department_ID"), FOREIGN KEY ("head_ID") REFERENCES `head`("head_ID") )

SELECT creation FROM department GROUP BY creation ORDER BY count(*) DESC LIMIT 1

In which year were most departments established?

department_management

CREATE TABLE "department" ( "Department_ID" int, "Name" text, "Creation" text, "Ranking" int, "Budget_in_Billions" real, "Num_Employees" real, PRIMARY KEY ("Department_ID") ) CREATE TABLE "head" ( "head_ID" int, "name" text, "born_state" text, "age" real, PRIMARY KEY ("head_ID") ) CREATE TABLE "management" ( "department_ID" int, "head_ID" int, "temporary_acting" text, PRIMARY KEY ("Department_ID","head_ID"), FOREIGN KEY ("Department_ID") REFERENCES `department`("Department_ID"), FOREIGN KEY ("head_ID") REFERENCES `head`("head_ID") )

SELECT T1.name , T1.num_employees FROM department AS T1 JOIN management AS T2 ON T1.department_id = T2.department_id WHERE T2.temporary_acting = 'Yes'

Show the name and number of employees for the departments managed by heads whose temporary acting value is 'Yes'?

department_management

CREATE TABLE "department" ( "Department_ID" int, "Name" text, "Creation" text, "Ranking" int, "Budget_in_Billions" real, "Num_Employees" real, PRIMARY KEY ("Department_ID") ) CREATE TABLE "head" ( "head_ID" int, "name" text, "born_state" text, "age" real, PRIMARY KEY ("head_ID") ) CREATE TABLE "management" ( "department_ID" int, "head_ID" int, "temporary_acting" text, PRIMARY KEY ("Department_ID","head_ID"), FOREIGN KEY ("Department_ID") REFERENCES `department`("Department_ID"), FOREIGN KEY ("head_ID") REFERENCES `head`("head_ID") )

SELECT count(DISTINCT temporary_acting) FROM management

How many acting statuses are there?

department_management

CREATE TABLE "department" ( "Department_ID" int, "Name" text, "Creation" text, "Ranking" int, "Budget_in_Billions" real, "Num_Employees" real, PRIMARY KEY ("Department_ID") ) CREATE TABLE "head" ( "head_ID" int, "name" text, "born_state" text, "age" real, PRIMARY KEY ("head_ID") ) CREATE TABLE "management" ( "department_ID" int, "head_ID" int, "temporary_acting" text, PRIMARY KEY ("Department_ID","head_ID"), FOREIGN KEY ("Department_ID") REFERENCES `department`("Department_ID"), FOREIGN KEY ("head_ID") REFERENCES `head`("head_ID") )

SELECT count(*) FROM department WHERE department_id NOT IN (SELECT department_id FROM management);

How many departments are led by heads who are not mentioned?

department_management

CREATE TABLE "department" ( "Department_ID" int, "Name" text, "Creation" text, "Ranking" int, "Budget_in_Billions" real, "Num_Employees" real, PRIMARY KEY ("Department_ID") ) CREATE TABLE "head" ( "head_ID" int, "name" text, "born_state" text, "age" real, PRIMARY KEY ("head_ID") ) CREATE TABLE "management" ( "department_ID" int, "head_ID" int, "temporary_acting" text, PRIMARY KEY ("Department_ID","head_ID"), FOREIGN KEY ("Department_ID") REFERENCES `department`("Department_ID"), FOREIGN KEY ("head_ID") REFERENCES `head`("head_ID") )

SELECT DISTINCT T1.age FROM management AS T2 JOIN head AS T1 ON T1.head_id = T2.head_id WHERE T2.temporary_acting = 'Yes'

What are the distinct ages of the heads who are acting?

department_management

CREATE TABLE "department" ( "Department_ID" int, "Name" text, "Creation" text, "Ranking" int, "Budget_in_Billions" real, "Num_Employees" real, PRIMARY KEY ("Department_ID") ) CREATE TABLE "head" ( "head_ID" int, "name" text, "born_state" text, "age" real, PRIMARY KEY ("head_ID") ) CREATE TABLE "management" ( "department_ID" int, "head_ID" int, "temporary_acting" text, PRIMARY KEY ("Department_ID","head_ID"), FOREIGN KEY ("Department_ID") REFERENCES `department`("Department_ID"), FOREIGN KEY ("head_ID") REFERENCES `head`("head_ID") )

SELECT T3.born_state FROM department AS T1 JOIN management AS T2 ON T1.department_id = T2.department_id JOIN head AS T3 ON T2.head_id = T3.head_id WHERE T1.name = 'Treasury' INTERSECT SELECT T3.born_state FROM department AS T1 JOIN management AS T2 ON T1.department_id = T2.department_id JOIN head AS T3 ON T2.head_id = T3.head_id WHERE T1.name = 'Homeland Security'

List the states where both the secretary of 'Treasury' department and the secretary of 'Homeland Security' were born.

department_management

CREATE TABLE "department" ( "Department_ID" int, "Name" text, "Creation" text, "Ranking" int, "Budget_in_Billions" real, "Num_Employees" real, PRIMARY KEY ("Department_ID") ) CREATE TABLE "head" ( "head_ID" int, "name" text, "born_state" text, "age" real, PRIMARY KEY ("head_ID") ) CREATE TABLE "management" ( "department_ID" int, "head_ID" int, "temporary_acting" text, PRIMARY KEY ("Department_ID","head_ID"), FOREIGN KEY ("Department_ID") REFERENCES `department`("Department_ID"), FOREIGN KEY ("head_ID") REFERENCES `head`("head_ID") )

SELECT T1.department_id , T1.name , count(*) FROM management AS T2 JOIN department AS T1 ON T1.department_id = T2.department_id GROUP BY T1.department_id HAVING count(*) > 1

Which department has more than 1 head at a time? List the id, name and the number of heads.

department_management

CREATE TABLE "department" ( "Department_ID" int, "Name" text, "Creation" text, "Ranking" int, "Budget_in_Billions" real, "Num_Employees" real, PRIMARY KEY ("Department_ID") ) CREATE TABLE "head" ( "head_ID" int, "name" text, "born_state" text, "age" real, PRIMARY KEY ("head_ID") ) CREATE TABLE "management" ( "department_ID" int, "head_ID" int, "temporary_acting" text, PRIMARY KEY ("Department_ID","head_ID"), FOREIGN KEY ("Department_ID") REFERENCES `department`("Department_ID"), FOREIGN KEY ("head_ID") REFERENCES `head`("head_ID") )

SELECT head_id , name FROM head WHERE name LIKE '%Ha%'

Which head's name has the substring 'Ha'? List the id and name.

department_management

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT count(*) FROM farm

How many farms are there?

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT count(*) FROM farm

Count the number of farms.

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT Total_Horses FROM farm ORDER BY Total_Horses ASC

List the total number of horses on farms in ascending order.

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT Total_Horses FROM farm ORDER BY Total_Horses ASC

What is the total horses record for each farm, sorted ascending?

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT Hosts FROM farm_competition WHERE Theme != 'Aliens'

What are the hosts of competitions whose theme is not "Aliens"?

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT Hosts FROM farm_competition WHERE Theme != 'Aliens'

Return the hosts of competitions for which the theme is not Aliens?

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT Theme FROM farm_competition ORDER BY YEAR ASC

What are the themes of farm competitions sorted by year in ascending order?

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT Theme FROM farm_competition ORDER BY YEAR ASC

Return the themes of farm competitions, sorted by year ascending.

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT avg(Working_Horses) FROM farm WHERE Total_Horses > 5000

What is the average number of working horses of farms with more than 5000 total number of horses?

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT avg(Working_Horses) FROM farm WHERE Total_Horses > 5000

Give the average number of working horses on farms with more than 5000 total horses.

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT max(Cows) , min(Cows) FROM farm

What are the maximum and minimum number of cows across all farms.

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT max(Cows) , min(Cows) FROM farm

Return the maximum and minimum number of cows across all farms.

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT count(DISTINCT Status) FROM city

How many different statuses do cities have?

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT count(DISTINCT Status) FROM city

Count the number of different statuses.

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT Official_Name FROM city ORDER BY Population DESC

List official names of cities in descending order of population.

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT Official_Name FROM city ORDER BY Population DESC

What are the official names of cities, ordered descending by population?

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT Official_Name , Status FROM city ORDER BY Population DESC LIMIT 1

List the official name and status of the city with the largest population.

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT Official_Name , Status FROM city ORDER BY Population DESC LIMIT 1

What is the official name and status of the city with the most residents?

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT T2.Year , T1.Official_Name FROM city AS T1 JOIN farm_competition AS T2 ON T1.City_ID = T2.Host_city_ID

Show the years and the official names of the host cities of competitions.

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT T2.Year , T1.Official_Name FROM city AS T1 JOIN farm_competition AS T2 ON T1.City_ID = T2.Host_city_ID

Give the years and official names of the cities of each competition.

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT T1.Official_Name FROM city AS T1 JOIN farm_competition AS T2 ON T1.City_ID = T2.Host_city_ID GROUP BY T2.Host_city_ID HAVING COUNT(*) > 1

Show the official names of the cities that have hosted more than one competition.

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT T1.Official_Name FROM city AS T1 JOIN farm_competition AS T2 ON T1.City_ID = T2.Host_city_ID GROUP BY T2.Host_city_ID HAVING COUNT(*) > 1

What are the official names of cities that have hosted more than one competition?

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT T1.Status FROM city AS T1 JOIN farm_competition AS T2 ON T1.City_ID = T2.Host_city_ID GROUP BY T2.Host_city_ID ORDER BY COUNT(*) DESC LIMIT 1

Show the status of the city that has hosted the greatest number of competitions.

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT T1.Status FROM city AS T1 JOIN farm_competition AS T2 ON T1.City_ID = T2.Host_city_ID GROUP BY T2.Host_city_ID ORDER BY COUNT(*) DESC LIMIT 1

What is the status of the city that has hosted the most competitions?

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT T2.Theme FROM city AS T1 JOIN farm_competition AS T2 ON T1.City_ID = T2.Host_city_ID WHERE T1.Population > 1000

Please show the themes of competitions with host cities having populations larger than 1000.

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT T2.Theme FROM city AS T1 JOIN farm_competition AS T2 ON T1.City_ID = T2.Host_city_ID WHERE T1.Population > 1000

What are the themes of competitions that have corresponding host cities with more than 1000 residents?

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT Status , avg(Population) FROM city GROUP BY Status

Please show the different statuses of cities and the average population of cities with each status.

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT Status , avg(Population) FROM city GROUP BY Status

What are the statuses and average populations of each city?

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT Status FROM city GROUP BY Status ORDER BY COUNT(*) ASC

Please show the different statuses, ordered by the number of cities that have each.

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT Status FROM city GROUP BY Status ORDER BY COUNT(*) ASC

Return the different statuses of cities, ascending by frequency.

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT Status FROM city GROUP BY Status ORDER BY COUNT(*) DESC LIMIT 1

List the most common type of Status across cities.

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT Status FROM city GROUP BY Status ORDER BY COUNT(*) DESC LIMIT 1

What is the most common status across all cities?

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT Official_Name FROM city WHERE City_ID NOT IN (SELECT Host_city_ID FROM farm_competition)

List the official names of cities that have not held any competition.

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT Official_Name FROM city WHERE City_ID NOT IN (SELECT Host_city_ID FROM farm_competition)

What are the official names of cities that have not hosted a farm competition?

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT Status FROM city WHERE Population > 1500 INTERSECT SELECT Status FROM city WHERE Population < 500

Show the status shared by cities with population bigger than 1500 and smaller than 500.

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT Status FROM city WHERE Population > 1500 INTERSECT SELECT Status FROM city WHERE Population < 500

Which statuses correspond to both cities that have a population over 1500 and cities that have a population lower than 500?

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT Official_Name FROM city WHERE Population > 1500 OR Population < 500

Find the official names of cities with population bigger than 1500 or smaller than 500.

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT Official_Name FROM city WHERE Population > 1500 OR Population < 500

What are the official names of cities that have population over 1500 or less than 500?

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT Census_Ranking FROM city WHERE Status != "Village"

Show the census ranking of cities whose status are not "Village".

farm

CREATE TABLE "city" ( "City_ID" int, "Official_Name" text, "Status" text, "Area_km_2" real, "Population" real, "Census_Ranking" text, PRIMARY KEY ("City_ID") ) CREATE TABLE "farm" ( "Farm_ID" int, "Year" int, "Total_Horses" real, "Working_Horses" real, "Total_Cattle" real, "Oxen" real, "Bulls" real, "Cows" real, "Pigs" real, "Sheep_and_Goats" real, PRIMARY KEY ("Farm_ID") ) CREATE TABLE "farm_competition" ( "Competition_ID" int, "Year" int, "Theme" text, "Host_city_ID" int, "Hosts" text, PRIMARY KEY ("Competition_ID"), FOREIGN KEY (`Host_city_ID`) REFERENCES `city`(`City_ID`) ) CREATE TABLE "competition_record" ( "Competition_ID" int, "Farm_ID" int, "Rank" int, PRIMARY KEY ("Competition_ID","Farm_ID"), FOREIGN KEY (`Competition_ID`) REFERENCES `farm_competition`(`Competition_ID`), FOREIGN KEY (`Farm_ID`) REFERENCES `farm`(`Farm_ID`) )

SELECT Census_Ranking FROM city WHERE Status != "Village"

What are the census rankings of cities that do not have the status "Village"?

farm

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT T1.course_name FROM courses AS T1 JOIN student_course_registrations AS T2 ON T1.course_id = T2.course_Id GROUP BY T1.course_id ORDER BY count(*) DESC LIMIT 1

which course has most number of registered students?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT T1.course_name FROM courses AS T1 JOIN student_course_registrations AS T2 ON T1.course_id = T2.course_Id GROUP BY T1.course_id ORDER BY count(*) DESC LIMIT 1

What is the name of the course with the most registered students?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT student_id FROM student_course_registrations GROUP BY student_id ORDER BY count(*) LIMIT 1

what is id of students who registered some courses but the least number of courses in these students?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT student_id FROM student_course_registrations GROUP BY student_id ORDER BY count(*) LIMIT 1

What are the ids of the students who registered for some courses but had the least number of courses for all students?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT T2.first_name , T2.last_name FROM candidates AS T1 JOIN people AS T2 ON T1.candidate_id = T2.person_id

what are the first name and last name of all candidates?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT T2.first_name , T2.last_name FROM candidates AS T1 JOIN people AS T2 ON T1.candidate_id = T2.person_id

What are the first and last names of all the candidates?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT student_id FROM students WHERE student_id NOT IN (SELECT student_id FROM student_course_attendance)

List the id of students who never attends courses?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT student_id FROM students WHERE student_id NOT IN (SELECT student_id FROM student_course_attendance)

What are the ids of every student who has never attended a course?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT student_id FROM student_course_attendance

List the id of students who attended some courses?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT student_id FROM student_course_attendance

What are the ids of all students who have attended at least one course?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT T1.student_id , T2.course_name FROM student_course_registrations AS T1 JOIN courses AS T2 ON T1.course_id = T2.course_id

What are the ids of all students for courses and what are the names of those courses?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT T2.student_details FROM student_course_registrations AS T1 JOIN students AS T2 ON T1.student_id = T2.student_id ORDER BY T1.registration_date DESC LIMIT 1

What is detail of the student who most recently registered course?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT T2.student_details FROM student_course_registrations AS T1 JOIN students AS T2 ON T1.student_id = T2.student_id ORDER BY T1.registration_date DESC LIMIT 1

What details do we have on the students who registered for courses most recently?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT count(*) FROM courses AS T1 JOIN student_course_attendance AS T2 ON T1.course_id = T2.course_id WHERE T1.course_name = "English"

How many students attend course English?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT count(*) FROM courses AS T1 JOIN student_course_attendance AS T2 ON T1.course_id = T2.course_id WHERE T1.course_name = "English"

How many students are attending English courses?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT count(*) FROM courses AS T1 JOIN student_course_attendance AS T2 ON T1.course_id = T2.course_id WHERE T2.student_id = 171

How many courses do the student whose id is 171 attend?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT count(*) FROM courses AS T1 JOIN student_course_attendance AS T2 ON T1.course_id = T2.course_id WHERE T2.student_id = 171

How many courses does the student with id 171 actually attend?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT T2.candidate_id FROM people AS T1 JOIN candidates AS T2 ON T1.person_id = T2.candidate_id WHERE T1.email_address = "stanley.monahan@example.org"

Find id of the candidate whose email is stanley.monahan@example.org?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT T2.candidate_id FROM people AS T1 JOIN candidates AS T2 ON T1.person_id = T2.candidate_id WHERE T1.email_address = "stanley.monahan@example.org"

What is the id of the candidate whose email is stanley.monahan@example.org?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT candidate_id FROM candidate_assessments ORDER BY assessment_date DESC LIMIT 1

Find id of the candidate who most recently accessed the course?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT candidate_id FROM candidate_assessments ORDER BY assessment_date DESC LIMIT 1

What is the id of the candidate who most recently accessed the course?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT T1.student_details FROM students AS T1 JOIN student_course_registrations AS T2 ON T1.student_id = T2.student_id GROUP BY T1.student_id ORDER BY count(*) DESC LIMIT 1

What is detail of the student who registered the most number of courses?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT T1.student_details FROM students AS T1 JOIN student_course_registrations AS T2 ON T1.student_id = T2.student_id GROUP BY T1.student_id ORDER BY count(*) DESC LIMIT 1

What are the details of the student who registered for the most number of courses?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT T1.student_id , count(*) FROM students AS T1 JOIN student_course_registrations AS T2 ON T1.student_id = T2.student_id GROUP BY T1.student_id

List the id of students who registered some courses and the number of their registered courses?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT T1.student_id , count(*) FROM students AS T1 JOIN student_course_registrations AS T2 ON T1.student_id = T2.student_id GROUP BY T1.student_id

For every student who is registered for some course, how many courses are they registered for?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT T3.course_name , count(*) FROM students AS T1 JOIN student_course_registrations AS T2 ON T1.student_id = T2.student_id JOIN courses AS T3 ON T2.course_id = T3.course_id GROUP BY T2.course_id

How many registed students do each course have? List course name and the number of their registered students?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT T3.course_name , count(*) FROM students AS T1 JOIN student_course_registrations AS T2 ON T1.student_id = T2.student_id JOIN courses AS T3 ON T2.course_id = T3.course_id GROUP BY T2.course_id

For each course id, how many students are registered and what are the course names?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT candidate_id FROM candidate_assessments WHERE asessment_outcome_code = "Pass"

Find id of candidates whose assessment code is "Pass"?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT candidate_id FROM candidate_assessments WHERE asessment_outcome_code = "Pass"

What are the ids of the candidates that have an outcome code of Pass?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT T3.cell_mobile_number FROM candidates AS T1 JOIN candidate_assessments AS T2 ON T1.candidate_id = T2.candidate_id JOIN people AS T3 ON T1.candidate_id = T3.person_id WHERE T2.asessment_outcome_code = "Fail"

Find the cell mobile number of the candidates whose assessment code is "Fail"?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT T3.cell_mobile_number FROM candidates AS T1 JOIN candidate_assessments AS T2 ON T1.candidate_id = T2.candidate_id JOIN people AS T3 ON T1.candidate_id = T3.person_id WHERE T2.asessment_outcome_code = "Fail"

What are the cell phone numbers of the candidates that received an assessment code of "Fail"?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT student_id FROM student_course_attendance WHERE course_id = 301

What are the id of students who registered course 301?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT student_id FROM student_course_attendance WHERE course_id = 301

What are the ids of the students who registered for course 301?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT student_id FROM student_course_attendance WHERE course_id = 301 ORDER BY date_of_attendance DESC LIMIT 1

What is the id of the student who most recently registered course 301?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT student_id FROM student_course_attendance WHERE course_id = 301 ORDER BY date_of_attendance DESC LIMIT 1

What are the ids of the students who registered for course 301 most recently?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT DISTINCT T1.city FROM addresses AS T1 JOIN people_addresses AS T2 ON T1.address_id = T2.address_id

Find distinct cities of addresses of people?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT DISTINCT T1.city FROM addresses AS T1 JOIN people_addresses AS T2 ON T1.address_id = T2.address_id

What are the different cities where people live?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT DISTINCT T1.city FROM addresses AS T1 JOIN people_addresses AS T2 ON T1.address_id = T2.address_id JOIN students AS T3 ON T2.person_id = T3.student_id

Find distinct cities of address of students?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT DISTINCT T1.city FROM addresses AS T1 JOIN people_addresses AS T2 ON T1.address_id = T2.address_id JOIN students AS T3 ON T2.person_id = T3.student_id

What are the different cities where students live?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT course_name FROM courses ORDER BY course_name

List the names of courses in alphabetical order?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT course_name FROM courses ORDER BY course_name

What are the names of the courses in alphabetical order?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT first_name FROM people ORDER BY first_name

List the first names of people in alphabetical order?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT first_name FROM people ORDER BY first_name

What are the first names of the people in alphabetical order?

student_assessment

CREATE TABLE Addresses ( address_id INTEGER NOT NULL, line_1 VARCHAR(80), line_2 VARCHAR(80), city VARCHAR(50), zip_postcode CHAR(20), state_province_county VARCHAR(50), country VARCHAR(50), PRIMARY KEY (address_id) ) CREATE TABLE People ( person_id INTEGER NOT NULL, first_name VARCHAR(255), middle_name VARCHAR(255), last_name VARCHAR(255), cell_mobile_number VARCHAR(40), email_address VARCHAR(40), login_name VARCHAR(40), password VARCHAR(40), PRIMARY KEY (person_id) ) CREATE TABLE Students ( student_id INTEGER NOT NULL, student_details VARCHAR(255), PRIMARY KEY (student_id), FOREIGN KEY (student_id) REFERENCES People (person_id) ) CREATE TABLE Courses ( course_id VARCHAR(100) NOT NULL, course_name VARCHAR(120), course_description VARCHAR(255), other_details VARCHAR(255), PRIMARY KEY (course_id) ) CREATE TABLE People_Addresses ( person_address_id INTEGER NOT NULL, person_id INTEGER NOT NULL, address_id INTEGER NOT NULL, date_from DATETIME, date_to DATETIME, PRIMARY KEY (person_address_id), FOREIGN KEY (person_id) REFERENCES People (person_id), FOREIGN KEY (address_id) REFERENCES Addresses (address_id) ) CREATE TABLE Student_Course_Registrations ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, registration_date DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id) REFERENCES Students (student_id), FOREIGN KEY (course_id) REFERENCES Courses (course_id) ) CREATE TABLE Student_Course_Attendance ( student_id INTEGER NOT NULL, course_id INTEGER NOT NULL, date_of_attendance DATETIME NOT NULL, PRIMARY KEY (student_id, course_id), FOREIGN KEY (student_id, course_id) REFERENCES Student_Course_Registrations (student_id,course_id) ) CREATE TABLE Candidates ( candidate_id INTEGER NOT NULL , candidate_details VARCHAR(255), PRIMARY KEY (candidate_id), FOREIGN KEY (candidate_id) REFERENCES People (person_id) ) CREATE TABLE Candidate_Assessments ( candidate_id INTEGER NOT NULL, qualification CHAR(15) NOT NULL, assessment_date DATETIME NOT NULL, asessment_outcome_code CHAR(15) NOT NULL, PRIMARY KEY (candidate_id, qualification), FOREIGN KEY (candidate_id) REFERENCES Candidates (candidate_id) )

SELECT student_id FROM student_course_registrations UNION SELECT student_id FROM student_course_attendance

What are the id of students who registered courses or attended courses?

student_assessment