Re: Guessing?
From: paul c <toledobysea_at_ac.ooyah>
Date: Sun, 01 Jun 2008 00:53:18 GMT
Message-ID: <2qm0k.179285$rd2.132351_at_pd7urf3no>
>
>
> Maybe you did, but the Codd quote in the OP was about what some see as
> one of the the view updating problems, which is about whether a dbms can
> perform certain updates in a manner that is consistent with how it
> replaces base relations ...
Date: Sun, 01 Jun 2008 00:53:18 GMT
Message-ID: <2qm0k.179285$rd2.132351_at_pd7urf3no>
paul c wrote:
> Brian Selzer wrote:
> ...
[Quoted] >>> That seems to be part of an argument about something else. >>> >> >> Indeed. It is not about unions but rather about strong orthogonality, >> which is what I thought we were discussing.
>
>
> Maybe you did, but the Codd quote in the OP was about what some see as
> one of the the view updating problems, which is about whether a dbms can
> perform certain updates in a manner that is consistent with how it
> replaces base relations ...
Should have said "... how it replaces base relation values...". Received on Sun Jun 01 2008 - 02:53:18 CEST