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Primary Keys

From: Andrew Bell <acbell(at)iastate(dot)edu>
To: pgsql-novice(at)postgresql(dot)org
Subject: Primary Keys
Date: 2001-11-27 14:50:25
Message-ID: 5.1.0.14.2.20011127084926.00b03318@acbell.mail.iastate.edu (view raw or flat)
Thread:
Lists: pgsql-novice
Hi,

Can someone tell me what advantage there is to creating a table with a 
primary key rather than simply adding a unique index to the table at a 
later time.

Thanks,


-- Andrew Bell
acbell(at)iastate(dot)edu
        


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