Re: One to One relationships
From: stu <smcgouga_at_nospam.co.uk>
Date: Thu, 8 May 2003 14:15:52 +0100
Message-ID: <b9dled$phe$1$8302bc10_at_news.demon.co.uk>
Date: Thu, 8 May 2003 14:15:52 +0100
Message-ID: <b9dled$phe$1$8302bc10_at_news.demon.co.uk>
> What about databases that include individuals outside the US?
> Obvoiusly, they would not have a Social Security Number.
Good point.
And if the next time I was buying something and i was asked for my SSN i would say "**** off"! At at least another 1 person would submit the same statement therefore breaking the unique quality of a pri key!! :-)
I have yet to find a natural _practical_ pri key for a person.
Cheers
Stu
Received on Thu May 08 2003 - 15:15:52 CEST