Re: Does Codd's view of a relational database differ from that of Date & Darwin? [M.Gittens]

From: David Cressey <>
Date: Wed, 15 Jun 2005 12:34:03 GMT
Message-ID: <%eVre.5615$>

"Jan Hidders" <> wrote in message news:lSire.119795$
> David Cressey wrote:
> > "Jan Hidders" <> wrote in message
> > news:jDyqe.116442$
> >> The relational model is more a *prescriptive* theory than a
> >> *descriptive* theory. In such a context these words are not that
> >> far apart. Moreover, as a mathematical statement it would simply be
> >> wrong to say that nested relations are impossible.
> >
> > This makes a lot of sense to me. But then, I consider most of
> > "computer science" to be more aptly called "computer engineering".
> I couldn't agree more. Although I would immediately add that this
> doesn't mean that it is therefore in any way less valuable or less
> interesting, just that the types of claims that are made and the
> certainty with which they are made, are different.

Agreed. I intended the use of "science" and "engineering" to be descriptive, not proscriptive. ;) Received on Wed Jun 15 2005 - 14:34:03 CEST

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