Re: The Theoretical Foundations of the Relational Model
Date: Mon, 17 Jun 2002 14:11:55 -0400
Message-ID: <mFpP8.568$_U.91356263_at_radon.golden.net>
"Thaddeus L Olczyk" <olczyk_at_interaccess.com> wrote in message
news:ve2rgu80cstl3rvr4froeg4chs39f0pker_at_4ax.com...
> On 14 Jun 2002 16:42:43 -0700, paul_geoffrey_brown_at_yahoo.com (Paul G.
> Brown) wrote:
>
> >In the midst of the current flare-up in the long-running 'objects vs
> > relations' flame-war, I thought it might be useful to take a moment,
> > step back, and explain to the object folk something of where the
> > relational crowd are coming from. I'm going to try to do this without
> > once mentioning the word 'database'. (Oops.)
> I'm sorry I just stopped by briefly tonight so I will have to
> thoroughly read the post some other time.
>
> I do however have an observation I would like to share. Everytime I've
> met a DBA who claimed the superiority of the relational model because
> of it's strong mathematical foundation, I've asked them to recite
> Codds rules. Invariably they can't. So much for a strong mathematical
> foundation.
>
> BTW if you show Codd's rules to a *real* mathematician. Say an
> algebraicist or topologist. They would say that they form a set
> of definitions, not a set of axioms.
So? Show them his 1970 ACM paper instead. Received on Mon Jun 17 2002 - 20:11:55 CEST