From: Adam Sherman <adam@tritus.ca>
To: pgsql-sql@postgresql.org
Subject: Constraint Syntax Question
Date: Sun, 11 May 2003 18:17:54 -0400
Message-ID: <7380000.1052691474@saturn> (raw)
I have a many-to-many relationship between A & B where a B *must* relate to
at least 1 A but an A may have zero Bs.
How do add this using an ALTER TABLE statement?
Thanks,
A.
--
Adam Sherman
Tritus CG Inc.
http://www.tritus.ca/
+1 (613) 797-6819
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To: pgsql-sql@postgresql.org
Cc: adam@tritus.ca
Subject: Re: Constraint Syntax Question
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