Re: Codd's Information Principle
Date: Sun, 01 Nov 2009 21:27:02 GMT
Bob Badour wrote:
> I would leave off the "assuming they have practical advantages". At
> worst, exploring a primrose path reduces by one the number of paths to
> explore. Provided, one doesn't insist on exploring the same primrose
> path to the exclusion of all others, that is.
Didn't mean to suggest otherwise. Sometimes the immediate expert
objection to the 'primrose path' turns out to be an advantage if the
idea is allowed to breath.
But one point seems very immediate to me - for any given relational
expression, there is only one equivalent extension.
But one point seems very immediate to me - for any given relational expression, there is only one equivalent extension.Received on Sun Nov 01 2009 - 22:27:02 CET