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Re: multiple primary keys

From: Grzegorz Dryl <Grzegorz.Dryl_at_crt.tpsa.pl>
Date: Fri, 29 Sep 2000 12:22:41 +0100
Message-ID: <8r1qb8$6v2$1@news.tpi.pl> 







> I am only new to this but I don't think that you can have more than

> one primary key per table.  In many ways, primary keys are similiar

> to unique key - although I have yet to know what the main difference

> between they are.




primary key = unique + not null
Received on Fri Sep 29 2000 - 06:22:41 CDT












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