Re: Examples of SQL anomalies?
From: Marshall <marshall.spight_at_gmail.com>
Date: Mon, 30 Jun 2008 23:36:33 -0700 (PDT)
Message-ID: <0daa829c-3e71-4b27-a244-b16d69c96b15_at_q27g2000prf.googlegroups.com>
Date: Mon, 30 Jun 2008 23:36:33 -0700 (PDT)
Message-ID: <0daa829c-3e71-4b27-a244-b16d69c96b15_at_q27g2000prf.googlegroups.com>
On Jun 30, 7:48 pm, Bob Badour <bbad..._at_pei.sympatico.ca> wrote:
>
> The rules for aggregation don't even have all that much to do with FOL.
Ah, I see Bob has preceded me with this point.
> I remember the time Joe tried to argue that an aggregate over zero
> elements is undefined and cited Graham, Knuth et al. In fact, he cited
> the page before the one that stated point blank that an aggregate over
> zero elements is defined as the identity element for the base operation.
D'oh! :-)
Marshall Received on Tue Jul 01 2008 - 08:36:33 CEST