Re: Natural keys vs Aritficial Keys
Date: Sun, 17 May 2009 07:54:59 GMT
Message-ID: <npPPl.1554$wR5.979_at_nwrddc02.gnilink.net>
"Bob Badour" <bbadour_at_pei.sympatico.ca> wrote in message
news:4a0fb2e3$0$23741$9a566e8b_at_news.aliant.net...
...
> That's why warehouses use bin numbers. His problem was the equivalent of a
This captures the essence of the issue I raised very concisely.
One nitpick. A GPS device gives you a measure of where something is, not a
key to its location, unless I misunderstand how GPS works.
Using measures in place of keys is tricky, even though it looks simple at
first.
Received on Sun May 17 2009 - 09:54:59 CEST
> warehouse full of stuff with no intenal subdivision and no way of
> identifying where in the warehouse things were put.
>
> That's a very basic problem and why men invented natural keys long before
> the first computer was ever built.