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Re: Functions and Relations

From: NENASHI, Tegiri <tnmail42_at_gmail.com>
Date: Sun, 19 Nov 2006 01:00:40 +0100 (CET)
Message-ID: <Xns987FC1DB0C390asdgba@194.177.96.26> 





Sampo Syreeni <decoy_at_iki.fi> wrote in 


news:Pine.SOL.4.62.0611180035160.14407_at_kruuna.helsinki.fi:




> Similarly normal predicates like less-than can be represented as 

> relations on two copies of any domain with equality. Then all you'll 

> ever need are equijoins.




Please explain, I do not understand.  Is it not that the predicate '<' 
is interpreted like a relation ?


--
Tegi


Received on Sat Nov 18 2006 - 18:00:40 CST












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