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Re: thinking about UPDATE

From: Mikito Harakiri <mikharakiri_at_iahu.com>
Date: Thu, 22 Jul 2004 11:40:40 -0700
Message-ID: <S2ULc.50$X73.342@news.oracle.com> 





"Marshall Spight" <mspight_at_dnai.com> wrote in message
news:QIQLc.139454$a24.125173_at_attbi_s03...


> First, the case where the key is zero attributes. In this case,

> there is no project operation that can reduce the number of

> attributes in the key, so again nothing to do.




A key with zero attributes means that the relation is allowed to have one
tuple only, right?
Received on Thu Jul 22 2004 - 13:40:40 CDT












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