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
How many games are played for all students?
assistant
SELECT sum(gamesplayed) FROM Sportsinfo
human
How many games are played for all football games by students on scholarship?
assistant
SELECT sum(gamesplayed) FROM Sportsinfo WHERE sportname = 'Football' AND onscholarship = 'Y'
human
How many students play sports?
assistant
SELECT count(DISTINCT 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
Find the first name and age of the students who are playing both Football and Lacrosse.
assistant
SELECT fname , age FROM Student WHERE StuID IN (SELECT StuID FROM Sportsinfo WHERE SportName = 'Football' INTERSECT SELECT StuID FROM Sportsinfo WHERE SportName = 'Lacrosse')
human
What is the first and last name of all students who play Football or Lacrosse?
assistant
SELECT T2.lname , T2.fname FROM SportsInfo AS T1 JOIN Student AS T2 ON T1.StuID = T2.StuID WHERE T1.SportName = "Football" OR T1.SportName = "Lacrosse" ;