Return-Path: Received: from newsfeed.cts.com (newsfeed.cts.com [209.68.248.164]) by naude.co.za (8.11.2/8.11.2) with SMTP id g7UDQdV31441 for ; Fri, 30 Aug 2002 09:26:39 -0400 Received: from fatcity.UUCP (uucp@localhost) by newsfeed.cts.com (8.9.3/8.9.3) with UUCP id GAA35907; Fri, 30 Aug 2002 06:23:33 -0700 (PDT) Received: by fatcity.com (26-Feb-2001/v1.0g-b72/bab) via UUCP id 004C3EF3; Fri, 30 Aug 2002 05:48:30 -0800 Message-ID: Date: Fri, 30 Aug 2002 05:48:30 -0800 To: Multiple recipients of list ORACLE-L X-Comment: Oracle RDBMS Community Forum X-Sender: Alan Davey Sender: root@fatcity.com Reply-To: ORACLE-L@fatcity.com Errors-To: ML-ERRORS@fatcity.com From: Alan Davey Subject: Re: Table Locks Organization: Fat City Network Services, San Diego, California X-ListServer: v1.0g, build 72; ListGuru (c) 1996-2001 Bruce A. Bergman Precedence: bulk Mime-Version: 1.0 Content-Type: text/plain; charset="US-Ascii" Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by naude.co.za id g7UDQdV31441 Thanks Rachel. I spent the train ride reading the chapters on Instance Tuning and Dynamic Performance Views hoping to find something, but no such luck. I learned a lot of other useful things though, so it wasn't a waste of time. Jacques, v$locked_object shows the table, but I already knew which table was locked. I was hoping to find the offending SQL statement. Have a great weekend everyone. Regards, -- Alan Davey adavey@competitrack.com 212-604-0200 x106 On 8/29/2002 10:43 PM, Rachel Carmichael wrote: >I'm not sure it's possible to find the locking SQL and SID once the >session issues other SQL statements. > >I spent a lot of time a few years back attempting to find it, without >success. I got the people at both Platinum Technology and Savant >(yes, >I'm showing my age here) to try to find it as well, figuring their >technical people were better at this sort of thing than I am... no >luck. > >I don't think Oracle stores the statement and who issued it, just >the >rollback info necessary and the fact that there is a lock. > > >--- Alan Davey wrote: >> Hi All, >> >> I've noticed some locks on various tables and I'm trying to figure >> out which DML statements are causing the locks. In this example, >the >> lock isn't being released because the developer forgot to include >a >> commit/rollback. >> >> If I look at v$session which is causing the lock and query v$sqlarea >> with the values in sql_address and prev_sql_addr, I only see select >> statements that were issued after the DML (in this case a delete). > I >> can query >> v$sqlarea with the locked table name and find the delete statement, >> but how do I link this back to the sid that issued it? Also, what >if >> there had been multiple DML statements by this user, how would >I know >> which was the first/last one executed? >> >> I'm RTFMing, but so far no luck. Any help would be greatly >> appreciated. >> >> Regards, >> -- >> >> Alan Davey >> adavey@competitrack.com >> 212-604-0200 x106 >> >> >> >> -- >> Please see the official ORACLE-L FAQ: http://www.orafaq.com >> -- >> Author: Alan Davey >> INET: adavey@competitrack.com >> >> Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 >> San Diego, California -- Public Internet access / Mailing >> Lists >> -------------------------------------------------------------------- >> To REMOVE yourself from this mailing list, send an E-Mail message >> to: ListGuru@fatcity.com (note EXACT spelling of 'ListGuru') and >in >> the message BODY, include a line containing: UNSUB ORACLE-L >> (or the name of mailing list you want to be removed from). You >may >> also send the HELP command for other information (like subscribing). > > >__________________________________________________ >Do You Yahoo!? >Yahoo! Finance - Get real-time stock quotes >http://finance.yahoo.com >-- >Please see the official ORACLE-L FAQ: http://www.orafaq.com >-- >Author: Rachel Carmichael > INET: wisernet100@yahoo.com > >Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 >San Diego, California -- Public Internet access / Mailing >Lists >-------------------------------------------------------------------- >To REMOVE yourself from this mailing list, send an E-Mail message >to: ListGuru@fatcity.com (note EXACT spelling of 'ListGuru') and >in >the message BODY, include a line containing: UNSUB ORACLE-L >(or the name of mailing list you want to be removed from). You may >also send the HELP command for other information (like subscribing). > > -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Alan Davey INET: adavey@competitrack.com Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: ListGuru@fatcity.com (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).