r0r-5chach/CSY1026-assignment-2-group-9
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CSY1026-assignment-2-group-9
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added brackets to foreign keys

This commit is contained in:
aboolathings 2022-05-22 22:00:16 +01:00
parent eca360285d
commit cb55fef42e
1 changed files with 16 additions and 16 deletions
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32
constraint_9.sql
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@ -124,34 +124,34 @@ REFERENCES tournaments(tournament_id)
ADD CONSTRAINT fk_tournament_participants(player_id)
FOREIGN KEY (player_id)
REFERENCES players(player_id)
ADD CONSTRAINT fk_tp_teams
FOREIGN KEY team_id
ADD CONSTRAINT fk_tournament_participants(team_id)
FOREIGN KEY (team_id)
REFERENCES teams(team_id);
ALTER TABLE prizes
ADD CONSTRAINT fk_p_sponsors
FOREIGN KEY sponsor_id
ADD CONSTRAINT fk_prizes(sponsor_id)
FOREIGN KEY (sponsor_id)
REFERENCES sponsors(sponsor_id)
ADD CONSTRAINT fk_p_tournaments
FOREIGN KEY tournament_id
ADD CONSTRAINT fk_prizes(tournament_id)
FOREIGN KEY (tournament_id)
REFERENCES tournaments(tournament_id);
ALTER TABLE games
ADD CONSTRAINT fk_g_rounds
FOREIGN KEY round_id
ADD CONSTRAINT fk_games(round_id)
FOREIGN KEY (round_id)
REFERENCES rounds(round_id);
ALTER TABLE statistics
ADD CONSTRAINT fk_s_games
FOREIGN KEY game_id
ADD CONSTRAINT fk_statistics(game_id)
FOREIGN KEY (game_id)
REFERENCES games(game_id);
ALTER TABLE game_participants
ADD CONSTRAINT fk_gp_games
FOREIGN KEY game_id
ADD CONSTRAINT fk_game_participants(game_id)
FOREIGN KEY (game_id)
REFERENCES games(game_id)
ADD CONSTRAINT fk_gp_tournament_participants
FOREIGN KEY tournament_participant_id
ADD CONSTRAINT fk_game_participants(tournament_participant_id)
FOREIGN KEY (tournament_participant_id)
REFERENCES tournament_participants(tournament_participant_id);
-- CHECK
@ -178,7 +178,7 @@ ALTER TABLE tournaments
ADD CONSTRAINT ck_tournament_city
CHECK (tournament_city = UPPER(tournament_city))
ADD CONSTRAINT ck_tournament_country
CHECK (tournament_country = UPPER(tournament_country_))
CHECK (tournament_country = UPPER(tournament_country))
ADD CONSTRAINT ck_tournament_arena
CHECK (tournament_arena = UPPER(tournament_arena));
@ -202,4 +202,4 @@ CHECK (game_name = UPPER(game_name));
ALTER TABLE statistics
ADD CONSTRAINT ck_game_WLD
CHECK (game_WLD = UPPER(game_WLD));
CHECK (game_WLD = UPPER(game_WLD));