Re: Navigation vs Relational operators
Date: Fri, 2 Jul 2004 15:45:47 +0100
Message-ID: <cc3smh$1iua$1_at_gazette.almaden.ibm.com>
"x" <x-false_at_yahoo.com> wrote in message news:40e56bf6$1_at_post.usenet.com...
[snip]
> > Probably nobody's interested in this anymore, but I just found a nice
> > short and accessible on-line presentation of the issues and positions:
>
> > http://www-db.stanford.edu/jdu-symposium/talks/mendelzon.pdf
>
> > Nice stuff, especially if you know a little the persons involved. If
> > only there were heated debates over *this* subject in this newsgroup...
> :-)
>
> I found the presetation the same day D Guntermann provided the references,
> but I was unable to find the answer to the question "Who won the Universal
> Relation wars?" (Which ones are The Good Guys ?)
The clue is in the Star Wars picture.
http://www.progesis.net/images/codd.jpg
See the resemblance?
Regards
Paul Vernon
Business Intelligence, IBM Global Services
Received on Fri Jul 02 2004 - 16:45:47 CEST