Re: Use of Union

From: James Chapman <JC121123_at_nospam.ncr.com>
Date: Mon, 26 Mar 2001 11:04:58 -0800
Message-ID: <3abf91f9$1@rpc1284.daytonoh.ncr.com>

Evidently, you were never exposed to set theory in your mathematical studies.

In set theory, the union of 2 sets A and B is defined to be the set of all members of A and all members of B.

"bpfh" <daniel_page_at_yahoo.fr> wrote in message news:99nkrk$k5a$1_at_s1.read.news.oleane.net...
> Hi,
>
> I've been running over an SQL tutorial, which I have grasped, except for
the
> UNION instruction.
>
> A part from one of the sides in the American Civil War, what is a union? I
> do not understand the explanation, or the code (or the code result in
> Access)...
>
> Anyone got a quick explanation? All comments accepted...
>
> Cordially,
>
> Daniel Page
>
>
Received on Mon Mar 26 2001 - 13:04:58 CST