From oracle-l-bounce@freelists.org Mon Mar 1 11:21:37 2004 Return-Path: Received: from air189.startdedicated.com (root@localhost) by orafaq.com (8.11.6/8.11.6) with ESMTP id i21HLaR32210 for ; Mon, 1 Mar 2004 11:21:36 -0600 X-ClientAddr: 206.53.239.180 Received: from turing.freelists.org (freelists-180.iquest.net [206.53.239.180]) by air189.startdedicated.com (8.11.6/8.11.6) with ESMTP id i21HLao32204 for ; Mon, 1 Mar 2004 11:21:36 -0600 Received: from turing (localhost [127.0.0.1]) by turing.freelists.org (Avenir Technologies Mail Multiplex) with ESMTP id 116D7394DCF; Mon, 1 Mar 2004 12:22:20 -0500 (EST) Received: with ECARTIS (v1.0.0; list oracle-l); Mon, 01 Mar 2004 12:21:10 -0500 (EST) X-Original-To: oracle-l@freelists.org Delivered-To: oracle-l@freelists.org Received: from newman.starkinvestments.com (newman.starkinvestments.com [65.123.95.18]) by turing.freelists.org (Avenir Technologies Mail Multiplex) with ESMTP id 31EE4394CE2 for ; Mon, 1 Mar 2004 12:21:07 -0500 (EST) Received: from exchtest.starkinvestments.com (exchtest.ad.starkinvestments.com [172.16.25.40]) by newman.starkinvestments.com (Postfix) with ESMTP id 69BF4FC32E for ; Mon, 1 Mar 2004 11:24:40 -0600 (CST) Received: by exchtest.ad.starkinvestments.com with Internet Mail Service (5.5.2657.72) id <17WQSA77>; Mon, 1 Mar 2004 11:24:41 -0600 Message-ID: <07BA8175B092D611B1DE00B0D049A31501B0B489@exchange.ad.starkinvestments.com> From: "Duret, Kathy" To: "'oracle-l@freelists.org'" Subject: RE: query slow in 9i, but not slow in 8i Date: Mon, 1 Mar 2004 11:24:38 -0600 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2657.72) Content-Type: text/plain; charset="iso-8859-1" X-archive-position: 117 X-ecartis-version: Ecartis v1.0.0 Sender: oracle-l-bounce@freelists.org Errors-To: oracle-l-bounce@freelists.org X-original-sender: kduret@starkinvestments.com Precedence: normal Reply-To: oracle-l@freelists.org X-list: oracle-l I don't know your whole issue, but I opened up a tar with oracle as 80% as our sql when waaaaay slower when we switched one of our production systems over to 9i. : They told us to use:_complex_view_merging=false and this solved our problem (your mileage may vary) However, we have optimizer_max_permutations=80000 like oracle 8i (the old dba must have been a carry over from 8i). Haven't had time to see if setting the max permutations to 2000 solved our problems or not. Kathy This transmission contains information solely for intended recipient and may be privileged, confidential and/or otherwise protect from disclosure. If you are not the intended recipient, please contact the sender and delete all copies of this transmission. This message and/or the materials contained herein are not an offer to sell, or a solicitation of an offer to buy, any securities or other instruments. The information has been obtained or derived from sources believed by us to be reliable, but we do not represent that it is accurate or complete. Any opinions or estimates contained in this information constitute our judgment as of this date and are subject to change without notice. Any information you share with us will be used in the operation of our business, and we do not request and do not want any material, nonpublic information. Absent an express prior written agreement, we are not agreeing to treat any information confidentially and will use any and all information and reserve the right to publish or disclose any information you share with us. ---------------------------------------------------------------- Please see the official ORACLE-L FAQ: http://www.orafaq.com ---------------------------------------------------------------- To unsubscribe send email to: oracle-l-request@freelists.org put 'unsubscribe' in the subject line. -- Archives are at http://www.freelists.org/archives/oracle-l/ FAQ is at http://www.freelists.org/help/fom-serve/cache/1.html -----------------------------------------------------------------