Received: from makus.postgresql.org (makus.postgresql.org [98.129.198.125]) by mail.postgresql.org (Postfix) with ESMTP id 507651BFF91C for ; Fri, 6 Apr 2012 15:58:47 -0300 (ADT) Received: from mailout-de.gmx.net ([213.165.64.22]) by makus.postgresql.org with smtp (Exim 4.72) (envelope-from ) id 1SGEMw-0007RY-Vh for pgsql-sql@postgresql.org; Fri, 06 Apr 2012 18:58:47 +0000 Received: (qmail invoked by alias); 06 Apr 2012 18:58:33 -0000 Received: from mue-88-130-39-074.dsl.tropolys.de (EHLO [192.168.1.113]) [88.130.39.74] by mail.gmx.net (mp024) with SMTP; 06 Apr 2012 20:58:33 +0200 X-Authenticated: #14269776 X-Provags-ID: V01U2FsdGVkX1+e4tNoTImegtkR2DY69iTGOTVCkqj/6ijZGO1UEq Iy+KrpX4ikTtof Message-ID: <4F7F3CD9.9090103@gmx.net> Date: Fri, 06 Apr 2012 20:58:33 +0200 From: Andreas User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:11.0) Gecko/20120327 Thunderbird/11.0.1 MIME-Version: 1.0 To: pgsql-sql@postgresql.org Subject: syntax of joins Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Y-GMX-Trusted: 0 X-Pg-Spam-Score: -1.9 (-) X-Archive-Number: 201204/15 X-Sequence-Number: 36492 hi, is there a disadvantage to write a join as select * from a, b where a.id = b.a_id; over select * from a join b on a.id = b.a_id;