human
Schema:
country (Country_id, Country_name, Capital, Official_native_language)
team (Team_id, Name)
match_season (Season, Player, Position, Country, Team, Draft_Pick_Number, Draft_Class, College)
player (Player_ID, Player, Years_Played, Total_WL, Singles_WL, Doubles_WL, Team)
Please answer with SQL.
assistant
Sure, I understand.
human
Show the name of colleges that have at least two players.
assistant
SELECT College FROM match_season GROUP BY College HAVING count(*) >= 2
human
Show the top 3 most common colleges of players in match seasons.
assistant
SELECT College FROM match_season GROUP BY College ORDER BY count(*) DESC LIMIT 3
human
How many distinct teams are involved in match seasons?
assistant
SELECT count(DISTINCT Team) FROM match_season
human
Show the season, the player, and the name of the team that players belong to.
assistant
SELECT T1.Season , T1.Player , T2.Name FROM match_season AS T1 JOIN team AS T2 ON T1.Team = T2.Team_id
human
Show all team names.
assistant
SELECT Name FROM Team
human
Return the names of teams that have no match season record.
assistant
SELECT Name FROM team WHERE Team_id NOT IN ( SELECT Team FROM match_season ) ;