Re: Towards a definition of atomic

From: Roy Hann <specially_at_processed.almost.meat>
Date: Fri, 1 Feb 2008 14:21:43 -0000
Message-ID: <>

"David Cressey" <> wrote in message news:wOFoj.5441$4f.724_at_trndny06...
>> I think we could make the meaning of "atomic" more tangible if we can
>> define what decompositions of an attribute are valid.
> Perhaps the place to start is to define what kinds of compositions a
> relational system is capable of. Once you have that in place, it should
> be
> straightforward to define relational decompositions as the inverse of
> relational compositions.

Why not just understand that relational systems don't care about about composition/decomposition and want nothing to do with the idea? It is no more relevant than is the concept of colour to Euclidean geometry.

Roy Received on Fri Feb 01 2008 - 15:21:43 CET

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