Re: Artificial Primary keys
From: Jan Emil Larsen <jel_at_g-it.dk>
Date: Fri, 1 Feb 2002 22:26:30 +0100
Message-ID: <3c5b07d4$0$99636$edfadb0f_at_dspool01.news.tele.dk>
Date: Fri, 1 Feb 2002 22:26:30 +0100
Message-ID: <3c5b07d4$0$99636$edfadb0f_at_dspool01.news.tele.dk>
"daveb" <no.spam_at_qwest.net> skrev i en meddelelse
news:7nB68.761$PC4.44194_at_news.uswest.net...
> ----- Original Message -----
> From: Jan Emil Larsen <jel_at_g-it.dk>
>
> > Or could you give an example - that is: of a natural key that holds
> > information, but is immutable?
>
> How about a journal citation as a natural key; not likely to change after
> publication.
Quite good!
How does it exactly look?
Received on Fri Feb 01 2002 - 22:26:30 CET