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Re: constraint via selection - Mailing list pgsql-sql

From Horst Herb
Subject Re: constraint via selection
Date
Msg-id 20011117125544.6028.qmail@gnumed.dhs.org
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In response to constraint via selection  (Horst Herb <hherb@malleenet.net.au>)
Responses Re: constraint via selection  ("Aasmund Midttun Godal" <postgresql@envisity.com>)
Re: constraint via selection  (Stephan Szabo <sszabo@megazone23.bigpanda.com>)
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> What would the most efficient formulation of the "check" constraint be
> in this case?

Sorry, I probably should reformulate my question into "is there a more 
effficient constraint than a foreign key constraint for this simple 
problem"?

Horst

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