Re: Lucid statement of the MV vs RM position?
From: Jon Heggland <jon.heggland_at_idi.ntnu.no>
Date: Sat, 06 May 2006 11:59:06 +0200
Message-ID: <e3hs19$45i$1_at_orkan.itea.ntnu.no>
Date: Sat, 06 May 2006 11:59:06 +0200
Message-ID: <e3hs19$45i$1_at_orkan.itea.ntnu.no>
paul c wrote:
> Thanks, that makes sense as far as ttm is concerned. I often get in
> trouble with TABLE_DEE, using the shorthand, I suppose one could have
> written something like R JOIN RELATION {attributenamenotinR, TABLE_DEE}.
Huh? In Tutorial D, what you put within the braces of a "RELATION {...}" expression is a tuple expression commalist. "attributenamenotinR" is not a tuple expression; neither is TABLE_DEE.
-- JonReceived on Sat May 06 2006 - 11:59:06 CEST