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Re: Enforcing functional dependecy constraints

From: paul c <toledobythesea_at_oohay.ac>
Date: Wed, 07 Dec 2005 18:24:01 GMT
Message-ID: <5NFlf.61784$ki.17478@pd7tw2no> 





paul c wrote:


> 

>  > ...

> 

> AB->C and C->B (given)

> => ABC->BC (composition)

> => A->BC (reflexivity)

> => A->C (decomposition)




Oh, oh, have to take it back.  I think I got the reflexivity step wrong.



Sorry,


p
Received on Wed Dec 07 2005 - 12:24:01 CST












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