Re: Towards a definition of atomic
Date: Fri, 1 Feb 2008 14:21:43 -0000
"David Cressey" <cressey73_at_verizon.net> wrote in message
>> 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
> 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