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Re: What're the differences betwen OO database and relational databases?

From: Andrew Wilson <andrew_at_blueoffice.com>
Date: Fri, 28 Sep 2001 16:27:10 +0200
Message-ID: <9p20pv$1m40$1@news.cybercity.dk>


Good honest response!

Andrew

"Leandro Guimar„es Faria Corsetti Dutra" <leandrod_at_mac.com> wrote in message news:3BB1C475.7020509_at_mac.com...
> soda wrote:
>
> > I only learn relational databases at school, Object Oriented database
>
>
> That's because relational is the only game in theory.
>
>
>
> > was virtually unknown then. I've tried to find out but it would be
>
>
> It's still unknown know. It's so ill-defined it seems no two authors can
agree
> on its fundamental concepts.
>
>
>
> > easier to ask you folks what you think. Does OO database goes faster?
>
>
> Only for application-specific databases.
>
>
>
> > Easier to maintain? Can I design OO database and use them in MySQL?
>
>
> Much harder to maintain, since you have pointers all over the place.
>
> MySQL can't do even SQL properly, much less relation -- don't try to bend
it
> over backwards to the network model.
>
> "Network model?", I hear you ask. Yes, OODB is just the network model
under a
> new name, and fitted to *some* OO programming idea -- it's not "the"
because
> even when restricted to programming OO gets no consensus on fundamentals;
when
> it's extended to DBMSs it breaks completely.
>
>
>
> > Thank you for reading my silly questions?
>
>
> You are welcome, just be sure to do your homework. Get yourself and
>
> read "Foundation for Future Database Systems: The Third Manifesto", 2nd
edition,
>
> by Chris J Date and Hugh Darwen; but before that make sure you've already
read
>
> "An Introduction to Database Systems", 6th or 7th editions, by Chris J
Date.
>
> You can find more info about these titles and other relevant ones at
> http://dbdebunk.com./
>
>
> By the way, OO is a physical model and relational is a logical one, so
only
> relational is pertinent to a "theory" forum. Asbestos up!
>
>
>
> --
> _
> / \ Leandro Guimar„es Faria Corsetti Dutra +55 (11) 246 96 07
> \ / http://homepage.mac.com./leandrod/ BRASIL +55 (43) 322 89 71
> X http://tutoriald.sourceforge.net./ mailto:lgcdutra@terra.com.br
> / \ Campanha fita ASCII, contra correio HTML mailto:leandrod_at_mac.com
>
Received on Fri Sep 28 2001 - 09:27:10 CDT

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