Oracle FAQ Your Portal to the Oracle Knowledge Grid
HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US
 

Home -> Community -> Usenet -> comp.databases.theory -> Re: The Theoretical Foundations of the Relational Model

Re: The Theoretical Foundations of the Relational Model

From: JRStern <JXSternChangeX2R_at_gte.net>
Date: Mon, 24 Jun 2002 17:36:53 GMT
Message-ID: <3d175923.10916296@news.verizon.net>


On 24 Jun 2002 18:35:46 +0200, hidders_at_hcoss.uia.ac.be (Jan.Hidders) wrote:
>Er, a "physical order" in a logical/conceptual data model is an oxymoron.
>
>Easy for the user, sure, and defining such a data model is not difficult at
>all. But can you give me a sound and complete axiomatization for this new
>type of logic?

It has zero effect on logical operations, it has positive benefit to whole applications, so why not allow it?

J. Received on Mon Jun 24 2002 - 12:36:53 CDT

Original text of this message

HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US