Re: More on Database cells, and other terminology
From: Bob Badour <bbadour_at_pei.sympatico.ca>
Date: Tue, 09 May 2006 19:55:26 GMT
Message-ID: <Os68g.5548$A26.142417_at_ursa-nb00s0.nbnet.nb.ca>
>
>
> It differs from a view on that it is not derived from another logical
> table. But this is an irrelevant difference.
Date: Tue, 09 May 2006 19:55:26 GMT
Message-ID: <Os68g.5548$A26.142417_at_ursa-nb00s0.nbnet.nb.ca>
Alfredo Novoa wrote:
>>Bob Badour wrote:
>
>>Other than syntax, how does that differ from a view or a snapshot?
>
> It differs from a view on that it is not derived from another logical
> table. But this is an irrelevant difference.
I was headed more for: "it combines physical and logical concerns", which is relevant. If one were to separate the physical and logical concerns, I don't think it would differ at all from a base relation.
I certainly have no objection to deriving an attribute for a base relation from other physically stored data. Received on Tue May 09 2006 - 21:55:26 CEST