Hello Brian,
giovedì, 9 luglio 98, you wrote:
B> If I have two tables, which are like this:
B> baseball_team
B> -------------
B> team_name
B> number_of_players
B> games_played
B> total_runs
B> baseball_game
B> -------------
B> home_team_name
B> visitor_team_name
B> home_runs
B> visitor_runs
B> How can I insure that for example "home_team_name" is one of
B> "baseball_team.team_name"?
B> I have seen in books things like:
B> PRIMARY KEY: home_team
B> FOREIGN KEY: home_team JOIN TO baseball_team.team_name
B> is there anyway to do this in postgresql? Bascially I have like 12 tables,
B> and alot of them have a field "username". I want to insure that
B> "username" in all tables, is a valid username in "passwd.username".
B> Brian
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Take a look at .../contrib/spi/refint.example.
Best regards,
Jose' mailto:sferac@bo.nettuno.it
