Re: Interesting article: In the Beginning: An RDBMS history
From: David Cressey <dcressey_at_verizon.net>
Date: Thu, 06 Apr 2006 17:31:18 GMT
Message-ID: <GfcZf.3227$v9.690_at_trndny01>
Date: Thu, 06 Apr 2006 17:31:18 GMT
Message-ID: <GfcZf.3227$v9.690_at_trndny01>
"x" <x_at_not-exists.org> wrote in message news:e12djb$ha2$1_at_emma.aioe.org...
> > I don't think so. I think he was making the distinction between
> attributes
> > specified by name and attributes specified by position.
>
> What is the difference between a "name" and a "position" from a
> mathematically point of view ?
I can't speak for Codd on this, and I don't choose to speak for myself. Received on Thu Apr 06 2006 - 19:31:18 CEST