I see. The initial argument was that no computation model was derived
from math...Thought you were supporting it ...Apologies...
David Cressey wrote:
> "Cimode" <cimode_at_hotmail.com> wrote in message
> news:1149802373.381570.14000_at_g10g2000cwb.googlegroups.com...
> >
> > David Cressey wrote:
> > > "Cimode" <cimode_at_hotmail.com> wrote in message
> > > news:1149758377.688333.114770_at_c74g2000cwc.googlegroups.com...
> > >
> > > > If Codd would not have thought of appying mathematical relations and
> > > > set theory to computing the RM would not have been invented. It's
> > > > true that all mathematics has not been applied and may not be
> applyable
> > > > to computing but mathematics has already inspired and helped the
> > > > formulation of computing models.
> > > >
> > >
> > > Actually, this isn't true. If you'll go back to Codd's 1970 paper,
> you'll
> > > see that he makes reference to the relational model of data having been
> used
> > > in prior work. That prior work did not involve databases, admittedly.
> > Yes but where do you think this prior work come from anywhere else than
> > from math?
> >
>
> I was NOT disagreeing with the assertion that RM derives from math.
>
> I was disagreeing with the idea that, without Codd, the RM would not have
> been invented.
> Codd himself made no such claim, and his reference to prior work shows it.
Received on Sun Jun 11 2006 - 15:35:59 CDT
