Today is a bad day. I'm seeing lots of wrong advice, or maybe everyone is in a humorous mood :-)
Regards Naveen > -----Original Message----- > From: Mark Leith [mailto:[EMAIL PROTECTED] > Sent: Thursday, June 12, 2003 5:39 PM > To: Multiple recipients of list ORACLE-L > Subject: RE: changing optimizer_mode for a running session > > > Oh, my bad.. ;) > > Here you go: > > Oracle8i Enterprise Edition Release 8.1.7.0.0 - Production > With the Partitioning option > JServer Release 8.1.7.0.0 - Production > > SQL> select sid, serial#, username from v$session; > > SID SERIAL# USERNAME > ---------- ---------- ------------------------------ > 1 1 > 2 1 > 3 1 > 4 1 > 5 1 > 6 1 > 7 3757 > 8 3761 > 9 3761 > 10 3761 > 11 20 NORAD_USER > > SID SERIAL# USERNAME > ---------- ---------- ------------------------------ > 12 7213 SYS > 17 532 GERRY > > 13 rows selected. > > SQL> exec dbms_system.SET_BOOL_PARAM_IN_SESSION (17, 520, > 'optmizer_mode', > TRUE); > > PL/SQL procedure successfully completed. > > Mark > > -----Original Message----- > Hemant K Chitale > Sent: 12 June 2003 12:09 > To: Multiple recipients of list ORACLE-L > > > > I am talking of a scenario where another user > has already connected to the database and is running > a report. > I can use dbms_system.set_ev to get a 10046 trace > online [the "running session"] but can't change it's > optimizer_mode. > I do not want to have to stop the session, change and > restart it --- it could be a report to modify which > could take a few weeks in the approval cycle or > it could be coming from an application server / JSP which > has generated it's own SQL. > Changing optimizer_mode globally at the ALTER SYSTEM > level isn't what I am looking for either. > Hemant > > --- Mark Leith <[EMAIL PROTECTED]> wrote: > > > Connected to: > > Oracle8i Enterprise Edition Release 8.1.7.0.0 - Production > > With the Partitioning option > > JServer Release 8.1.7.0.0 - Production > > > > SQL> alter session set optimizer_mode = rule; > > > > Session altered. > > > > SQL> > > > > SQL> alter session set optimizer_mode = choose; > > > > Session altered. > > > > SQL> > > > > HTH > > > > Mark > > > > =================================================== > > Mark Leith | T: +44 (0)1905 330 281 > > Sales & Marketing | F: +44 (0)870 127 5283 > > Cool Tools UK Ltd | E: [EMAIL PROTECTED] > > =================================================== > > http://www.cool-tools.co.uk > > Maximising throughput & performance > > > > -----Original Message----- > > Hemant K Chitale > > Sent: 12 June 2003 11:25 > > To: Multiple recipients of list ORACLE-L > > > > > > > > Is there any way that we can change the optimizer_mode > > for a running session ? [Oracle 8.1.7] > > > > The session may have started with the instance-level > > optimizer_mode=RULE [Oracle Apps R11.0] but I > > want to change the optimizer_mode for subsequent SQLs > > executed by the session, without killing and > > restarting the session -- something like using > > DBMS_SYSTEM.SET_EV to set an event in a running session. > > > > > > > > Hemant K Chitale > > http://hkchital.tripod.com > > -- > > Please see the official ORACLE-L FAQ: http://www.orafaq.net > > -- > > Author: Hemant K Chitale > > INET: [EMAIL PROTECTED] > > > > Fat City Network Services -- 858-538-5051 http://www.fatcity.com > > San Diego, California -- Mailing list and web hosting > > services > > > --------------------------------------------------------------------- > > To REMOVE yourself from this mailing list, send an E-Mail message > > to: [EMAIL PROTECTED] (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). > > --- > > Incoming mail is certified Virus Free. > > Checked by AVG anti-virus system (http://www.grisoft.com). > > Version: 6.0.487 / Virus Database: 286 - Release Date: 01/06/2003 > > > > --- > > Outgoing mail is certified Virus Free. > > Checked by AVG anti-virus system (http://www.grisoft.com). > > Version: 6.0.487 / Virus Database: 286 - Release Date: 01/06/2003 > > > > -- > > Please see the official ORACLE-L FAQ: http://www.orafaq.net > > -- > > Author: Mark Leith > > INET: [EMAIL PROTECTED] > > > > Fat City Network Services -- 858-538-5051 http://www.fatcity.com > > San Diego, California -- Mailing list and web hosting > > services > > > --------------------------------------------------------------------- > > To REMOVE yourself from this mailing list, send an E-Mail message > > to: [EMAIL PROTECTED] (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). > > > > > > Hemant K Chitale > http://hkchital.tripod.com > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.net > -- > Author: Hemant K Chitale > INET: [EMAIL PROTECTED] > > Fat City Network Services -- 858-538-5051 http://www.fatcity.com > San Diego, California -- Mailing list and web hosting services > --------------------------------------------------------------------- > To REMOVE yourself from this mailing list, send an E-Mail message > to: [EMAIL PROTECTED] (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). 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Please note that e-mails are susceptible to change and MindTree shall not be liable for any improper, untimely or incomplete transmission. -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Naveen Nahata INET: [EMAIL PROTECTED] Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (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).
