X-Original-To: pgsql-sql-postgresql.org@localhost.postgresql.org Received: from localhost (unknown [200.46.204.144]) by svr1.postgresql.org (Postfix) with ESMTP id B2FCC52840 for ; Tue, 17 May 2005 14:06:41 -0300 (ADT) Received: from svr1.postgresql.org ([200.46.204.71]) by localhost (av.hub.org [200.46.204.144]) (amavisd-new, port 10024) with ESMTP id 35043-06 for ; Tue, 17 May 2005 17:06:39 +0000 (GMT) Received: from smtp102.rog.mail.re2.yahoo.com (smtp102.rog.mail.re2.yahoo.com [206.190.36.80]) by svr1.postgresql.org (Postfix) with SMTP id DDDA552807 for ; Tue, 17 May 2005 14:06:37 -0300 (ADT) Received: from unknown (HELO phlogiston.dydns.org) (a.sullivan@rogers.com@216.75.167.195 with login) by smtp102.rog.mail.re2.yahoo.com with SMTP; 17 May 2005 17:06:37 -0000 Received: by phlogiston.dydns.org (Postfix, from userid 1000) id 7A5753D2F; Tue, 17 May 2005 13:06:36 -0400 (EDT) Date: Tue, 17 May 2005 13:06:36 -0400 From: Andrew Sullivan To: pgsql-sql@postgresql.org Subject: Re: Does Postgresql have a similar pseudo-column "ROWNUM" as Oracle? Message-ID: <20050517170636.GC12405@phlogiston.dyndns.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.6+20040907i X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, hits=0.018 tagged_above=0 required=5 tests=AWL X-Spam-Level: X-Archive-Number: 200505/128 X-Sequence-Number: 21441 On Thu, May 12, 2005 at 01:07:00PM -0600, Dennis.Jiang@thomson.com wrote: > > Does Postgresql have a similar pseudo-column "ROWNUM" as Oracle? If > so, we can write the following query: No. What is the purpose of your query? You could use ORDER BY and LIMIT..OFFSET to do what you want. I think. A -- Andrew Sullivan | ajs@crankycanuck.ca The whole tendency of modern prose is away from concreteness. --George Orwell