Re: Codd's Information Principle
From: paul c <toledobythesea_at_oohay.ac>
Date: Sun, 01 Nov 2009 22:21:21 GMT
Message-ID: <BRnHm.51127$PH1.46245_at_edtnps82>
Date: Sun, 01 Nov 2009 22:21:21 GMT
Message-ID: <BRnHm.51127$PH1.46245_at_edtnps82>
Bob Badour wrote:
> paul c wrote:
...
>> 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.