Re: Database design, Keys and some other things
From: x <x_at_not-exists.org>
Date: Tue, 27 Sep 2005 10:03:51 +0300
Message-ID: <dhaqsr$bgb$1_at_domitilla.aioe.org>
Date: Tue, 27 Sep 2005 10:03:51 +0300
Message-ID: <dhaqsr$bgb$1_at_domitilla.aioe.org>
"JOG" <jog_at_cs.nott.ac.uk> wrote in message
news:1127753335.528946.79940_at_f14g2000cwb.googlegroups.com...
> Ok, to describe that better with an example:
>
> Consider you have a car and over 20 years you gradually bit by bit
> change every single part of it. The paint job, the engine, the
> interior, the chassis... everything, bit by bit. After 20 years it
> doesn't have a single component that was originally in it. It is still
> the SAME car?
Remember those Western movies ?
Those cowboys and their cattle ?
How do they distingush their herd from those of their neighbors ?
Received on Tue Sep 27 2005 - 09:03:51 CEST