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_at_dspool01.news.tele.dk>
Date: Sat, 2 Feb 2002 11:54:21 +0100
Message-ID: <3c5bc52a$0$211$edfadb0f_at_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 - 11:54:21 CET