Re: more on delete from join

From: Bob Badour <bbadour_at_pei.sympatico.ca>
Date: Mon, 31 Aug 2009 12:44:23 -0300
Message-ID: <4a9bebb6$0$23758$9a566e8b_at_news.aliant.net>


Marshall wrote:

> On Aug 30, 2:44 pm, Bob Badour <bbad..._at_pei.sympatico.ca> wrote:
>

>>No. Both base tables and views are named relation variables. They have
>>to be because their values vary over time.

>
> This is certainly true in the data management viewpoint, but I
> could also imagine a relational programming that allowed either
> to be unnamed.
>
> This is admittedly a very obscure point.

The unnamed case is just an equation or an expression as in x+y=1 Received on Mon Aug 31 2009 - 17:44:23 CEST

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