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 ids of students who play video game and play sports.
assistant
SELECT StuID FROM Sportsinfo INTERSECT SELECT StuID FROM Plays_games
human
Show all student IDs with more than total 10 hours per week on all sports played.
assistant
SELECT StuID FROM Sportsinfo GROUP BY StuID HAVING sum(hoursperweek) > 10
human
Show student ids who don't have any sports.
assistant
SELECT StuID FROM Student EXCEPT SELECT StuID FROM Sportsinfo
human
What is the first name and last name of the student who have most number of sports?
assistant
SELECT T2.Fname , T2.Lname FROM Sportsinfo AS T1 JOIN Student AS T2 ON T1.StuID = T2.StuID GROUP BY T1.StuID ORDER BY count(*) DESC LIMIT 1
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 all sport name and the number of students.
assistant
SELECT sportname , COUNT( * ) FROM Sportsinfo GROUP BY sportname ;