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 - 05:56:02 CDT
