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Re: Artificial Primary keys

From: John Doherty <jdoherty_at_null.com>
Date: Fri, 01 Feb 2002 16:10:35 -0600
Message-ID: <jdoherty-0102021610350001@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.


--


Received on Fri Feb 01 2002 - 16:10:35 CST












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