From oracle-l-bounce@freelists.org Fri Aug 6 13:07:06 2004 Return-Path: Received: from air189.startdedicated.com (root@localhost) by orafaq.com (8.11.6/8.11.6) with ESMTP id i76I76C13090 for ; Fri, 6 Aug 2004 13:07:06 -0500 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 i76I76I13085 for ; Fri, 6 Aug 2004 13:07:06 -0500 Received: from localhost (localhost [127.0.0.1]) by turing.freelists.org (Avenir Technologies Mail Multiplex) with ESMTP id 0E25E72CE18; Fri, 6 Aug 2004 12:57:56 -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 26266-53; Fri, 6 Aug 2004 12:57:55 -0500 (EST) Received: from turing (localhost [127.0.0.1]) by turing.freelists.org (Avenir Technologies Mail Multiplex) with ESMTP id 51E3E72D035; Fri, 6 Aug 2004 12:57:55 -0500 (EST) Received: with ECARTIS (v1.0.0; list oracle-l); Fri, 06 Aug 2004 12:56:29 -0500 (EST) X-Original-To: oracle-l@freelists.org Delivered-To: oracle-l@freelists.org Received: from localhost (localhost [127.0.0.1]) by turing.freelists.org (Avenir Technologies Mail Multiplex) with ESMTP id EBA1472CCFB for ; Fri, 6 Aug 2004 12:56:28 -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 25836-55 for ; Fri, 6 Aug 2004 12:56:28 -0500 (EST) Received: from ihub.perceptron.com (ihub.perceptron.com [68.22.13.201]) by turing.freelists.org (Avenir Technologies Mail Multiplex) with ESMTP id 80C3072CAEF for ; Fri, 6 Aug 2004 12:56:28 -0500 (EST) Received: from [192.168.4.7] (ineyman@perceptron.com) by Office-Logic InterChange; Fri, 06 Aug 2004 14:09:20 -0400 From: "Igor Neyman" To: Subject: RE: RE: Time to read 6000 (block size 2k) blocks Date: Fri, 6 Aug 2004 14:11:19 -0400 Message-ID: <001001c47be0$c5dbbea0$0704a8c0@development.perceptron.com> MIME-Version: 1.0 Content-type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.3416 In-Reply-To: Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1441 X-Virus-Scanned: by amavisd-new at freelists.org X-archive-position: 7102 X-ecartis-version: Ecartis v1.0.0 Sender: oracle-l-bounce@freelists.org Errors-To: oracle-l-bounce@freelists.org X-original-sender: ineyman@perceptron.com Precedence: normal Reply-To: oracle-l@freelists.org X-list: oracle-l X-Virus-Scanned: by amavisd-new at freelists.org Wrong :) Event 10053 would do much better in this case. Igor -----Original Message----- From: oracle-l-bounce@freelists.org [mailto:oracle-l-bounce@freelists.org] On Behalf Of J.Velikanovs@alise.lv Sent: Friday, August 06, 2004 12:58 PM To: oracle-l@freelists.org Subject: RE: RE: Time to read 6000 (block size 2k) blocks Thank you father! . The lesson you have given me is invaluable. Lets me guess for the next step. I imagine that we can try use our magic artifact, which we have received from Mag with beautiful name Oracle8i. . I gona use magic of DBMS_STATS. Please allow me to try?! . Jurijs +371 9268222 (+2 GMT) ============================================ Thank you for teaching me. http://otn.oracle.com/ocm/jvelikanovs.html "Cary Millsap" Sent by: oracle-l-bounce@freelists.org 06.08.2004 20:21 Please respond to oracle-l To: cc: Subject: RE: RE: Time to read 6000 (block size 2k) blocks Excellent to watch this, buys. Now, if I might suggest: Please take the next step as well, which is to figure out how to make the CBO execute the correct plan WITHOUT leaving = the hints in. Doing this step now will save you some potentially difficult maintenance tasks later on. Cary Millsap Hotsos Enterprises, Ltd. http://www.hotsos.com * Nullius in verba * Upcoming events: - Performance Diagnosis 101: 8/10 Boston, 9/14 San Francisco, 10/5 = Charlotte - SQL Optimization 101: 7/26 Washington DC, 8/16 Minneapolis, 9/20 = Hartford - Hotsos Symposium 2005: March 6-10 Dallas - Visit www.hotsos.com for schedule details... -----Original Message----- From: oracle-l-bounce@freelists.org = [mailto:oracle-l-bounce@freelists.org] On Behalf Of jaysingh1@optonline.net Sent: Friday, August 06, 2004 12:10 PM To: oracle-l@freelists.org Subject: Re: RE: Time to read 6000 (block size 2k) blocks Jurijs You are correct. It worked. Now it is doing 9 LIOs instead of 18,800 = LIOs. Thanks you so much. ----- Original Message ----- From: J.Velikanovs@alise.lv Date: Friday, August 6, 2004 11:12 am Subject: Re: RE: Time to read 6000 (block size 2k) blocks > Rows Row Source Operation > ------- --------------------------------------------------- > 1 SORT UNIQUE=20 > 1 COUNT STOPKEY=20 > 1 NESTED LOOPS=20 > 4766 TABLE ACCESS BY INDEX ROWID PROFILEDUSER (it has=20 > 450,000 rows) > 4767 INDEX RANGE SCAN (PROFILEDUSER_IX03) > 1 TABLE ACCESS BY INDEX ROWID EXTENDEDATTRIBUTES (it has=20 > 15,000=20 > rows) > 9530 INDEX UNIQUE SCAN (ATTRIBUTES_PK) >=20 > The idea is: to start NL with EXTENDEDATTRIBUTES table. Bacause in=20 > SQL you=20 > have E.CUSTOMERID =3D 'ABCDEFGH', and this seems ID value, which=20 > will return=20 > 1 row, instead 4766 loops thought PROFILEDUSER. >=20 > Try to get EXTENDEDATTRIBUTES as driven table. Or I am wrong ? >=20 >=20 > Jurijs > +371 9268222 (+2 GMT) ---------------------------------------------------------------- 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 ----------------------------------------------------------------- ---------------------------------------------------------------- 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 ----------------------------------------------------------------- ---------------------------------------------------------------- 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 ----------------------------------------------------------------- ---------------------------------------------------------------- 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 -----------------------------------------------------------------