Re: Do Data Models Need to built on a Mathematical Concept?

From: Ian <"Ian">
Date: Fri, 25 Apr 2003 11:56:02 +0100
Message-ID: <av8qa.611$oA1.85469_at_newsfep2-gui.server.ntli.net>


I think that's a widely inaccurate notion, that if data models don't follow a mathematical concept, they are not "correct". Data model follow rules, If the model conforms to the rules, it is correct. You talk about the implementation of data models as a deciding factor is the design?

"Marshall Spight" <mspight_at_dnai.com> wrote in message news:A73qa.74656$Si4.60568_at_rwcrnsc51.ops.asp.att.net...
> "Ian" <kellizer_at_hotmail.com> wrote in message
news:17ce58cf.0304240518.34ebfe22_at_posting.google.com...
> > Do Data Models Need to built on a Mathematical Concept?
> >
> > Example, The relational model has set theory.
>
> Only if you care about things like correctness. Most people
> don't; most people only care about performance. If you get
> the right answer most of the time, they're happy.
>
> The general thinking seems to be that coming up with the
> wrong answer really quickly is much better than coming up
> with the right answer a bit more slowly.
>
> Most data models today are built on "The C Programming
> Language" by Kernigan and Ritchie.
>
>
> Marshall
>
>
>
Received on Fri Apr 25 2003 - 12:56:02 CEST

Original text of this message