human
Schema:
Student (StuID, LName, Fname, Age, Sex, Major, Advisor, city_code)
Video_Games (GameID, GName, GType)
Plays_Games (StuID, GameID, Hours_Played)
SportsInfo (StuID, SportName, HoursPerWeek, GamesPlayed, OnScholarship)
Please answer with SQL.
assistant
Sure, I understand.
human
Show all sport name and the number of students.
assistant
SELECT sportname , count(*) FROM Sportsinfo GROUP BY sportname
human
Show all student IDs with the number of sports and total number of games played
assistant
SELECT StuID , count(*) , sum(gamesplayed) FROM Sportsinfo GROUP BY StuID
human
Show student ids who don't have any sports.
assistant
SELECT StuID FROM Student EXCEPT SELECT StuID FROM Sportsinfo
human
Show ids of students who play video game and play sports.
assistant
SELECT StuID FROM Sportsinfo INTERSECT SELECT StuID FROM Plays_games
human
Show all male student ids who don't play football.
assistant
SELECT StuID FROM Student WHERE sex = 'M' EXCEPT SELECT StuID FROM Sportsinfo WHERE sportname = 'Football'
human
Show student ids who are female and play football.
assistant
SELECT StuID FROM Student WHERE sex = "F" INTERSECT SELECT StuID FROM Sportsinfo WHERE sportname = "Football" ;