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

"x" <x-false_at_yahoo.com> wrote in message news:40c81648_at_post.usenet.com...
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> "Dawn M. Wolthuis" <dwolt_at_tincat-group.com> wrote in message
> news:ca89b4$gj9$1_at_news.netins.net...
> > "Anthony W. Youngman" <wol_at_thewolery.demon.co.uk> wrote in message
> > news:zHiLa9IExOxAFw1d_at_thewolery.demon.co.uk...
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> > > LOOK at the subject of this thread again. It is an AXIOM of relational
> > > theory that data comes in tuples. Show me that that's true! And
because
> > > it's an axiom, mathematics itself tells you that logic CAN not give
you
> > > an answer!
> >
> > Excellent, excellent, point. I would love to hear if there is any
> > disagreement on this point. If not, then perhaps we can work this into
> the
> > glossary somehow related to "relational theory" or "axioms".
> > Cheers! --dawn
>
> Why do you keep saying "relational *THEORY*" ?
>
> The title of Codd's 1970 ACM paper is "A Relational *MODEL* of Data for
> Large Shared Data Banks".
>
> The title of Codd's 1979 ACM paper is "Extending the Database Relational
> *MODEL* to Capture More Meaning".
>
> What meaning of *theory* do you have in mind ?

The definition I have in mind when I use that term is the definition of theory as in comp.databases.theory.
smiles. --dawn Received on Sun Jun 13 2004 - 03:51:16 CEST