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Re: So what's null then if it's not nothing?

From: Jon Heggland <heggland_at_idi.ntnu.no>
Date: Wed, 23 Nov 2005 14:40:28 +0100
Message-ID: <MPG.1dee8fb2729d5101989707@news.ntnu.no> 





In article <438456fe$1_at_news.fhg.de>, spam_at_conceptoriented.com says...


> > You mean you would create a table for each *combination* of attributes? 

> > What on earth for?

> 

> In order to avoid nulls (there is an opinion that they need to be 

> removed from schema).




I get that part. But why one for each combination? Why not just one per 
attribute?

-- 
Jon


Received on Wed Nov 23 2005 - 07:40:28 CST












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