Re: Artificial Primary keys

From: Jan Emil Larsen <jel_at_g-it.dk>
Date: Sat, 2 Feb 2002 11:54:21 +0100
Message-ID: <3c5bc52a$0$211$edfadb0f@dspool01.news.tele.dk>

"John Doherty" <jdoherty_at_null.com> skrev i en meddelelse news:jdoherty-0102021610350001_at_192.168.2.9...
> In article <3c5186c2$0$14015$edfadb0f_at_dspool01.news.tele.dk>, "Jan Emil
> Larsen" <jel-nospam_at_g-it.dk> wrote:
>
> > Or could you give an example - that is: of a natural key that holds
> > information, but is immutable?
>
> An ISBN.

Is that a natural key? Received on Sat Feb 02 2002 - 04:54:21 CST

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