Re: Idempotence and "Replication Insensitivity" are equivalent ?

From: Chris Smith <>
Date: Sat, 23 Sep 2006 07:35:13 -0600
Message-ID: <>

David Cressey <> wrote:
> It's probably me. I'm trying to use the term "domain" the way some of the
> mathematicians seem to be using it.
> Here's what I think I got by making inferences from other posts: the domain
> of a relation is the cartesian product of the domains of each of its
> attributes.

That's correct. Database theory authors just don't often use the word "domain" in that way.

Chris Smith
Received on Sat Sep 23 2006 - 15:35:13 CEST

Original text of this message