If you have TOAD with the DBA module , it can tell you which is being used by whom.
If not, here is the sql statement that generates the list : SELECT r.NAME, -- rbs name s.sid, s.serial#, s.username, s.machine, t.status, t.cr_get, -- consistent gets t.phy_io, -- physical IO t.used_ublk, -- Undo blocks used t.noundo, -- Is a noundo transaction SUBSTR (s.program, 1, 78) "COMMAND", s.username "DB User", t.start_time, s.sql_address "Address", s.sql_hash_value "Sql Hash" FROM sys.v_$session s, sys.v_$transaction t, sys.v_$rollname r WHERE t.addr = s.taddr AND t.xidusn = r.usn ORDER BY t.start_time -----Original Message----- Sent: Friday, October 04, 2002 4:38 PM To: Multiple recipients of list ORACLE-L Dear List, Some developers had written the code to use the particular rollback segments. how to find out which session is using which rollback segment? Thanks in advance Sarath __________________________________________________ Do you Yahoo!? New DSL Internet Access from SBC & Yahoo! http://sbc.yahoo.com -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: sarath kumar 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). -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Kevin Lange 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).