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Update Exercise-5.txt #14

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21 changes: 11 additions & 10 deletions DBMS/Day-2/Exercise-5.txt
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Original file line number Diff line number Diff line change
@@ -1,10 +1,11 @@
CREATE TABLE Match(
MId INTEGER PRIMARY KEY,
TId INTEGER REFERENCES Tournament(TournamentId),
Player1 INTEGER REFERENCES Player(PlayerId),
Player2 INTEGER REFERENCES Player(PlayerId),
MatchDt DATE NOT NULL,
Winner INTEGER REFERENCES Player(PlayerId),
Score VARCHAR2(30) NOT NULL,
CONSTRAINT playler_id_ck CHECK(Player1 <> Player2)
)
CREATE TABLE Match (
MId INTEGER,
TId INTEGER REFERENCES Tournament(TId),
Player1 INTEGER REFERENCES Player(PId),
Player2 INTEGER REFERENCES Player(PID),
MatchDt DATE NOT NULL,
Winner INTEGER REFERENCES Player(PID),
Score VARCHAR(30) NOT NULL,
CONSTRAINT match_mid_tid_pk PRIMARY KEY (MId, TID),
CONSTRAINT player_id_ck CHECK(Player1 <> Player2)
);