Re: Possible bridges between OO programming proponents and relational model
Date: Tue, 6 Jun 2006 17:19:58 +0300
Message-ID: <e642o5$fc7$1_at_nntp.aioe.org>
"Bob Badour" <bbadour_at_pei.sympatico.ca> wrote in message
news:AhGgg.17481$A26.406047_at_ursa-nb00s0.nbnet.nb.ca...
> Cimode wrote:
> >
> > //A SQL table with three attributes is always three dimensional
> > independently of how it is implemented.//
> >
> > At logical level yes but not at physical level.
> At any level, Cimode. If you don't mean to refer to the SQL table, then
> refer to something else that you do mean. *Any triplet, though,
> represents three dimensions.*
Huh ?!?
> > //<<I suppose that you know how to represent a cube with a table.>> It
> > is
> > an analogy used for communication's sake. You misread and
> > misunderstood my comment. I said that a face of a cube is
> > bidimensional and is a comparable to what a SQL Table is to a relvar.
> And any representation of a face of a cube is *bidimensional*. However,
> any representation of the cube is three dimensional, or it no longer
> represents a cube. Don't confuse the projection of a cube with a cube.
I would say that given the fact that the cube is 3D, the face coordinates are triplets. Received on Tue Jun 06 2006 - 16:19:58 CEST