Re: The Practical Benefits of the Relational Model
From: Paul Vernon <paul.vernon_at_ukk.ibmm.comm>
Date: Tue, 1 Oct 2002 19:36:27 +0100
Message-ID: <ancq69$t0k$2_at_sp15at20.hursley.ibm.com>
Date: Tue, 1 Oct 2002 19:36:27 +0100
Message-ID: <ancq69$t0k$2_at_sp15at20.hursley.ibm.com>
Out of interest, how does D4 insert into this view?
(A UNION B) MINUS (A INTERSECT B)
It seems to me to be entirely arbitrary to insert into A rather than B, or
vis-versa, and only slightly less arbitrary to not allow any inserts at
Regards
Paul Vernon
Business Intelligence, IBM Global Services
Received on Tue Oct 01 2002 - 20:36:27 CEST