Received: from www.chip.org (www.chip.org [134.174.22.177]) by postgresql.org (8.11.3/8.11.1) with ESMTP id f6NKQaf60389 for ; Mon, 23 Jul 2001 16:26:36 -0400 (EDT) (envelope-from aturchin@chip.org) Received: from chip.org ([134.174.23.191]) by www.chip.org (8.11.0/8.11.0) with ESMTP id f6NKQPV19913; Mon, 23 Jul 2001 16:26:25 -0400 Message-ID: <3B5C88B5.73D549AE@chip.org> Date: Mon, 23 Jul 2001 16:27:34 -0400 From: Alexander Turchin Organization: Children's Hospital Informatics Program X-Mailer: Mozilla 4.77 [en] (Windows NT 5.0; U) X-Accept-Language: en MIME-Version: 1.0 To: wsheldah@lexmark.com, PostgreSQL Mailing List Subject: Re: COUNTs don't add up References: <200107232013.QAA08047@interlock2.lexmark.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Archive-Number: 200107/853 X-Sequence-Number: 12974 Yes, that turns out to be exactly the case - should have thought of it myself (of course :). Thanks! Alex wsheldah@lexmark.com wrote: > Could species2 be null? If so, I don't think those rows would appear when you > test for <> 'somevalue'. > > Alexander Turchin on 07/23/2001 > 03:32:04 PM