Re: MV Keys
From: Jon Heggland <heggland_at_idi.ntnu.no>
Date: Thu, 2 Mar 2006 17:16:49 +0100
Message-ID: <MPG.1e7138dbe026bb23989778_at_news.ntnu.no>
Date: Thu, 2 Mar 2006 17:16:49 +0100
Message-ID: <MPG.1e7138dbe026bb23989778_at_news.ntnu.no>
In article <iJDNf.676$ZL1.483_at_trndny09>, dcressey_at_verizon.net says...
> Is a"tuple valued attribute" the same thing as a "relation valued
> attribute, constrained to a cardinality of one"?
Is a character the same thing as a string, constrained to a length of 1? Is any kind of value the same thing as a constrained vector of such values? Is a vector a constrained matrix? Why do you ask?
-- JonReceived on Thu Mar 02 2006 - 17:16:49 CET