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Finish queries

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This commit is contained in:
Maciekxdabu 2022-12-21 14:00:47 +01:00
parent ce5da091cd
commit 0241be1950
1 changed files with 19 additions and 2 deletions
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21
SQL stuff/queries.sql
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@ -19,9 +19,26 @@ FROM Stadium
GROUP BY build_year GROUP BY build_year
HAVING count(id) < 1000 HAVING count(id) < 1000
-- correlated, nested subqueries ( -- correlated, nested subqueries (print Players who earn more wage than the average wage in a given Club)
SELECT id, wages, club_id
FROM Player p
WHERE wages >
(SELECT AVG(wages)
FROM Player
WHERE club_id =
p.club_id)
ORDER BY wages
-- join (print how much manager earns in each club) -- join (print how much manager earns in each club)
SELECT Club.id AS Club_id, Manager.id AS Manager_id, Club.reputation AS Club_reputation, Manager.wage AS Manager_wage SELECT Club.id AS Club_id, Manager.id AS Manager_id, Club.reputation AS Club_reputation, Manager.wage AS Manager_wage
FROM Club FROM Club
INNER JOIN Manager ON Club.Manager_id = Manager.id INNER JOIN Manager ON Club.Manager_id = Manager.id
-- right join (print all Club id's and their Players or null if a Club does not have a single Player)
SELECT Player.id AS Player_id, Club.id AS Club_id
FROM Player
RIGHT JOIN Club ON Player.Club_id = Club.id
ORDER BY Player.id