From oracle-l-bounce@freelists.org Wed May 11 03:31:05 2005 Return-Path: Received: from air891.startdedicated.com (root@localhost) by orafaq.com (8.12.10/8.12.10) with ESMTP id j4B8V53H020207 for ; Wed, 11 May 2005 03:31:05 -0500 X-ClientAddr: 206.53.239.180 Received: from turing.freelists.org (freelists-180.iquest.net [206.53.239.180]) by air891.startdedicated.com (8.12.10/8.12.10) with ESMTP id j4B8V54Z020203 for ; Wed, 11 May 2005 03:31:05 -0500 Received: from localhost (localhost [127.0.0.1]) by turing.freelists.org (Avenir Technologies Mail Multiplex) with ESMTP id 59D27191D83; Wed, 11 May 2005 02:28:23 -0500 (EST) Received: from turing.freelists.org ([127.0.0.1]) by localhost (turing [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 30844-07; Wed, 11 May 2005 02:28:23 -0500 (EST) Received: from turing (localhost [127.0.0.1]) by turing.freelists.org (Avenir Technologies Mail Multiplex) with ESMTP id D7A45191E83; Wed, 11 May 2005 02:28:22 -0500 (EST) content-class: urn:content-classes:message MIME-Version: 1.0 Content-type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Subject: RE: Optimizer change from 8i-9i X-MimeOLE: Produced By Microsoft Exchange V6.0.6487.1 Date: Wed, 11 May 2005 09:26:34 +0200 Message-ID: <7F0C000A3ABA6241A10C9ABF37EEB46D040852@MSXVS01.trivadis.com> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: Optimizer change from 8i-9i Thread-Index: AcVVL/2EalvSDbAQTZWCsIcHmkjEKAAyocnw From: "Christian Antognini" To: "zhu chao" Cc: X-archive-position: 19561 X-ecartis-version: Ecartis v1.0.0 Sender: oracle-l-bounce@freelists.org Errors-To: oracle-l-bounce@freelists.org X-original-sender: Christian.Antognini@trivadis.com Precedence: normal Reply-To: Christian.Antognini@trivadis.com X-list: oracle-l X-Virus-Scanned: by amavisd-new-20030616-p9 (Debian) at avenirtech.net X-Spam-Level: X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on air891.startdedicated.com X-Spam-Status: No, hits=0.0 required=5.0 tests=AWL autolearn=ham version=2.63 Hi >When we set optimizer_features_enable=3D8.1.7, all the new features >got disabled. Not all. Even if you have the same INIT.ORA (undocumented or not) don't = think that the CBO will do the same work. There are some behaviors that = are simply different! HTH Chris -- http://www.freelists.org/webpage/oracle-l