Re: Natural keys vs Aritficial Keys

From: paul c <>
Date: Fri, 29 May 2009 13:53:20 GMT
Message-ID: <kNRTl.29773$PH1.5537_at_edtnps82>

David BL wrote:
> I have no idea what you mean by "relvars are structures (not logical
> pointers presumably?". Please quote me rather than pretend to quote
> me.

 >   "...  However with other ways of
 >> composing data structures, sub-variables may not exist.  A relvar is
 >> one such example. ..."


There's your quote for the second time. Received on Fri May 29 2009 - 15:53:20 CEST

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