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Re: Do we always have to update or insert? Why can't we just relate?

From: David Portas <REMOVE_BEFORE_REPLYING_dportas_at_acm.org>
Date: 14 Oct 2005 06:34:54 -0700
Message-ID: <1129296894.441126.94770@g14g2000cwa.googlegroups.com> 





> But there is still the conceptual part of my question. Do we really

> need insert and update?




No. Relational assignment is all you need for updates, inserts,
deletes. According to both Codd and Date an RDBMS should support
relational assignment. A "D" language must support relational
assignment - it's a requirement. SQL does not support it.


-- 
David Portas 
SQL Server MVP 
--


Received on Fri Oct 14 2005 - 08:34:54 CDT












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