You know what? I thought the same thing... But, the curious side of me decided to give it a try to be sure... And guess what... It works? Learn something new everyday...
SQL> select segment_name,sum(bytes) from dba_segments where tablespace_name = 'RBS' and segment_name = 'RBS17' group by segment_name; SEGMENT_NAME SUM(BYTES) ------------------------ ---------- RBS17 22364160 SQL> select rs.optsize, rs.extents 2 from dba_rollback_segs drs, 3 v$rollstat rs 4 where drs.segment_name = 'RBS17' 5 and drs.segment_id = rs.usn; OPTSIZE EXTENTS ---------- ---------- 22020096 21 SQL> alter rollback segment RBS17 shrink to 10M; Rollback segment altered. SQL> select segment_name,sum(bytes) from dba_segments where tablespace_name = 'RBS' and segment_name = 'RBS17' group by segment_name; SEGMENT_NAME SUM(BYTES) ------------------------- ---------- RBS17 10649600 SQL> select rs.optsize, rs.extents 2 from dba_rollback_segs drs, 3 v$rollstat rs 4 where drs.segment_name = 'RBS17' 5 and drs.segment_id = rs.usn; OPTSIZE EXTENTS ---------- ---------- 22020096 10 SQL> 8.1.7.3 on Solaris 2.8 Tim -----Original Message----- Sent: Wednesday, January 30, 2002 10:26 AM To: Multiple recipients of list ORACLE-L no, you can't shrink a rollback segment below the optimal value --- Sinard Xing <[EMAIL PROTECTED]> wrote: > Hi, > > > Assume > INITIAL * MINEXTENT = 2M and also = OPTIMAL > > Do you think > ALTER ROLLBACK SEGMENT rbs SHRINK TO 1M; > > will work ? > > > > Thanks, > > Sinardy > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.com > -- > Author: Sinard Xing > INET: [EMAIL PROTECTED] > > 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: [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). __________________________________________________ Do You Yahoo!? Great stuff seeking new owners in Yahoo! Auctions! http://auctions.yahoo.com -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Rachel Carmichael INET: [EMAIL PROTECTED] 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: [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: Johnston, Tim INET: [EMAIL PROTECTED] 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: [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).
