Re: Is a better way to have the same result of this

From: Andrew Sullivan <andrew(at)libertyrms(dot)info>
To: PgSQL Performance ML <pgsql-performance(at)postgresql(dot)org>
Subject: Re: Is a better way to have the same result of this
Date: 2002-12-05 23:56:22
Message-ID: 20021205185622.B29425@mail.libertyrms.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-performance

On Thu, Dec 05, 2002 at 04:04:28PM -0500, Jean-Luc Lachance wrote:
> Good for you! Too bad the parser does not know about it...

LAst I heard, there was a problem about providing a rigourous
mathematical proof that NOT EXISTS and NOT IN are really the same.
If you can prove it, I'm sure people would be pleased.

A

--
----
Andrew Sullivan 204-4141 Yonge Street
Liberty RMS Toronto, Ontario Canada
<andrew(at)libertyrms(dot)info> M2P 2A8
+1 416 646 3304 x110

In response to

Browse pgsql-performance by date

  From Date Subject
Next Message Andrew Sullivan 2002-12-05 23:58:35 Re: Is a better way to have the same result of this
Previous Message Vernon Wu 2002-12-05 23:19:29 Re: Is a better way to have the same result of this