Re: more on delete from join

From: Vadim Tropashko <>
Date: Tue, 1 Sep 2009 11:32:13 -0700 (PDT)
Message-ID: <>

On Aug 31, 5:16 pm, paul c <> wrote:
> ... "(R MINUS S) UNION S = R"...
Cmon people! This notation is akin to writing

X SUBTRACT Y = III (Not to mention that some still write "ADD X TO Y"!)

How much linear algebra would you expect to progress with this kind of symbols? Received on Tue Sep 01 2009 - 20:32:13 CEST

Original text of this message