X-Original-To: pgsql-performance-postgresql.org@localhost.postgresql.org Received: from localhost (av.hub.org [200.46.204.144]) by postgresql.org (Postfix) with ESMTP id ACD8911F6B3C for ; Sun, 2 Apr 2006 00:26:49 -0400 (AST) Received: from postgresql.org ([200.46.204.71]) by localhost (av.hub.org [200.46.204.144]) (amavisd-new, port 10024) with ESMTP id 95420-03 for ; Sun, 2 Apr 2006 00:26:47 -0400 (AST) X-Greylist: from auto-whitelisted by SQLgrey- Received: from mx2.surnet.cl (mx2.surnet.cl [216.155.73.181]) by postgresql.org (Postfix) with ESMTP id 0134E11F6B52 for ; Sun, 2 Apr 2006 00:26:46 -0400 (AST) Received: from unknown (HELO cluster.surnet.cl) ([216.155.73.165]) by mx2.surnet.cl with ESMTP; 02 Apr 2006 00:26:46 -0400 X-IronPort-AV: i="4.02,198,1139194800"; d="scan'208"; a="40171685:sNHT18376328" Received: from alvh.no-ip.org (201.221.200.233) by cluster.surnet.cl (7.0.043) (authenticated as alvherre@surnet.cl) id 43A978FD00D04D39; Sun, 2 Apr 2006 00:26:45 -0400 Received: by alvh.no-ip.org (Postfix, from userid 1000) id A46B9C37116; Sun, 2 Apr 2006 00:26:45 -0400 (CLT) Date: Sun, 2 Apr 2006 00:26:45 -0400 From: Alvaro Herrera To: chris smith Cc: "Jim C. Nasby" , PostgreSQL Performance Subject: Re: Query using SeqScan instead of IndexScan Message-ID: <20060402042645.GA9711@surnet.cl> Mail-Followup-To: chris smith , "Jim C. Nasby" , PostgreSQL Performance References: <2F1712F1-E5E2-455E-A291-06F300A66549@clickspace.com> <20060331155911.GP49405@pervasive.com> <3c1395330603311723i368092f2jf0c2291ab033ae2a@mail.gmail.com> <20060401153247.GI49405@pervasive.com> <3c1395330604011650r61c793a7td3e8be58ab023c7b@mail.gmail.com> <3c1395330604011732n4cd523c3gf7c1e4c346630aad@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3c1395330604011732n4cd523c3gf7c1e4c346630aad@mail.gmail.com> User-Agent: Mutt/1.5.11+cvs20060126 X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, score=1.605 required=5 tests=[AWL=-0.314, DNS_FROM_RFC_ABUSE=0.479, DNS_FROM_RFC_POST=1.44] X-Spam-Score: 1.605 X-Spam-Level: * X-Archive-Number: 200604/7 X-Sequence-Number: 18091 chris smith wrote: > I believe postgres (because it's a lot more standards compliant).. but > sheesh - what a difference! > > This week's task - stop reading mysql documentation. You don't _have_ to believe Postgres -- this is stuff taught in any statistics course. -- Alvaro Herrera http://www.CommandPrompt.com/ PostgreSQL Replication, Consulting, Custom Development, 24x7 support