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

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"Paul" <paul_at_test.com> wrote in message news:40b74ea7$0$1049$ed2619ec_at_ptn-nntp-reader02.plus.net...
> Dawn M. Wolthuis wrote:

> > 3) Are we applying the best, most effective, most efficient, etc
> > metaphor or is there something better to either supplement or replace
> > it?
>
> I think we are. I think the insight that Codd had was to start with
> logic and build upwards from there, instead of putting together an
> ad-hoc data model first and then trying to reconcile it downwards to
logic.
>
> I think the only ways we could go would be to different logics e.g.
> multi-valued logic or "fuzzy" logic etc. I don't claim to know what
> these all are but a search should bring up various weird and wonderful
> logics.
>
> Or upwards to higher-order logic, although I don't know if
> incompleteness becomes an issue then. Maybe because we are always
> dealing with unbounded but finite systems it doesn't apply or something.
> I think if you go this route you end up with things like Datalog or
Prolog.
>

See www-csli.stanford.edu/hp/CVandNR.pdf

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