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Re: Primary Key and and Index

From: Keith D Gregory <keith_at_inconcert.com>
Date: Mon, 13 Apr 1998 12:20:52 -0400
Message-ID: <35323B64.C7C9315E@inconcert.com> 





Pete Cruz wrote:


> 


> I just wanted to know the difference between a Primary key and a


> unique indexed column.





Other people have commented about the physical differences; one thing
that wasn't mentioned, so it might just be my imagination, is that the
optimizer creates better plans if it knows that a table has a primary
key.



To others in the group, is this just my imagination?



-kdg
Received on Mon Apr 13 1998 - 11:20:52 CDT












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