Novice Help Needed

From: "Brian C(dot) Doyle" <bcdoyle(at)mindspring(dot)com>
To: pgsql-sql(at)postgresql(dot)org
Subject: Novice Help Needed
Date: 2000-05-18 18:01:37
Message-ID: 4.3.1.2.20000518131444.00af6760@pop.mindspring.com
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Hello,

I am in need of a rule or trigger that will only allow one entry where the
date and a userid field are the same?

So on the insert I want it to first check and see if userid and date exist
and if so do not enter them. If they do exist, allow the insert

Brian C. Doyle

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