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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@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 
all.



Regards


Paul Vernon


Business Intelligence, IBM Global Services
Received on Tue Oct 01 2002 - 13:36:27 CDT












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