Re: Codd's Information Principle

From: Bob Badour <bbadour_at_pei.sympatico.ca>
Date: Sun, 01 Nov 2009 18:00:04 -0400
Message-ID: <4aee04e6$0$5335$9a566e8b_at_news.aliant.net>


paul c wrote:

> 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.

I don't follow that at all. Received on Sun Nov 01 2009 - 23:00:04 CET

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