Re: Objects and Relations
Date: 14 Feb 2007 07:53:09 -0800
On Feb 14, 9:14 am, "Roy Hann" <specia..._at_processed.almost.meat>
> "Bob Badour" <bbad..._at_pei.sympatico.ca> wrote in message
> >> And that's it. That's how we work everyday. If we ever have to do deal
> >> with items that are indistinguishable by anything but physical
> >> location (or any characteristic we can't keep track of), we tag them
> >> with a surrogate identifier to represent their unique nature. It's
> >> just common sense really.
> >> As an addendum, once implemented a surrogate key becomes a natural
> >> key. I find this fascinating - it seems somehow analagous to "Nature
> >> abhoring a vacuum".
> > I think it has more to do with the human drive to communicate.
> I struggle with that. If, for some reason, I choose to say (just) that, "I
> have a tin of cat food, and its name shall be 1345235", what have I
Laughing. I think you have communicated to "tincat" (or was that unintentional?) --dawn Received on Wed Feb 14 2007 - 16:53:09 CET