Re: In an RDBMS, what does "Data" mean?
From: x <x-false_at_yahoo.com>
Date: Mon, 14 Jun 2004 15:16:06 +0300
Message-ID: <40cd960d$1_at_post.usenet.com>
> > "Dawn M. Wolthuis" <dwolt_at_tincat-group.com> wrote in message
> > news:ca89b4$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...
> >
> > > > 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
> > > > it's an axiom, mathematics itself tells you that logic CAN not give
> > > 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 ?
Date: Mon, 14 Jun 2004 15:16:06 +0300
Message-ID: <40cd960d$1_at_post.usenet.com>
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"Dawn M. Wolthuis" <dwolt_at_tincat-group.com> wrote in message news:cagbuq$k9f$1_at_news.netins.net...
> "x" <x-false_at_yahoo.com> wrote in message news:40c81648_at_post.usenet.com...
> > "Dawn M. Wolthuis" <dwolt_at_tincat-group.com> wrote in message
> > news:ca89b4$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...
> >
> > > > 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> > > Excellent, excellent, point. I would love to hear if there is any
> > > > an answer!
> > >
> > > 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.
I thought so.
But when someone put AXIOM and THEORY in the same sentence, it is easy to
get the wrong meaning.
We are playing with words ...
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