Re: In an RDBMS, what does "Data" mean?

"Dawn M. Wolthuis" <dwolt_at_tincat-group.com> wrote in message news:c9of1n$7rt$1_at_news.netins.net...
> "Anthony W. Youngman" <wol_at_thewolery.demon.co.uk> wrote in message
> news:FhLmDnFZR7vAFwQU_at_thewolery.demon.co.uk...
>
> [SNIP]
> > If you can't describe relational theory in terms of axioms and logical
> > deductions, then it isn't maths and can't be science!
>
> By George, you've got it., Wol!!! Perfect!
>
> Relational theory, once some choice axioms are added in (without being
> stated as axioms and without being obvious that they out to be axiomatic
> when measured by any map to reality) does then proceed with mathematics,
but
> there is a lot of "tossing stuff in and out" going on because there is not
> that match with reality at each point.

So what mathematical axioms do you know of that "map to reality"? I didn't realize that was the fundamental aspect of an axiom's value. And if it is, then again, what data axioms do you propose as a good start? They needn't be formal, but have to have more meaning than "data comes in tuples".

• erk