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Re: What is the use of a primary key?

From: Alfredo Novoa <alfredo_at_ncs.es>
Date: 22 Nov 2002 07:12:09 -0800
Message-ID: <e4330f45.0211220712.151e2656@posting.google.com> 





sicotom_at_eresmas.com (Juan Pardillos) wrote in message news:<6278687.0211201544.4578fb26_at_posting.google.com>...



> difference?. Why is it necessary to consider a primary key instead of

> simply defining a set of candidate keys?.




Here you have a interesting post about that topic:



http://groups.google.com/groups?hl=es&lr=&ie=UTF-8&selm=c0d87ec0.0210041101.34834160%40posting.google.com
Received on Fri Nov 22 2002 - 09:12:09 CST












Original text of this message













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