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RE: Rollback and what table's DML caused an ORA-1555?

From: Goulet, Dick <DGoulet_at_vicr.com>
Date: Mon, 07 Apr 2003 12:50:28 -0800
Message-ID: <F001.0057C436.20030407125028@fatcity.com>


Jesse,

        And tonight polish off the Pete's Wicked Ale and the Sierra Nevada Pale Ale!! :)

Dick Goulet

-----Original Message-----
Sent: Monday, April 07, 2003 4:24 PM
To: Multiple recipients of list ORACLE-L

Thanks and <eeep!> I'll have to try this on a test database after I'm done messing with ^%@#% DBMS_STATS...

:)

Rich

Rich Jesse                        System/Database Administrator
rich.jesse_at_qtiworld.com           Quad/Tech International, Sussex, WI USA


-----Original Message-----
Sent: Monday, April 07, 2003 1:45 PM
To: ORACLE-L_at_fatcity.com
Cc: Jesse, Rich
Importance: High

Rich,

Reset optimal like this:

alter rollback segment <SEGMENT_NAME> storage ( optimal NULL )'

I sometime run a script to set optimal on all rbs segments, shrink the segments,
then reset optimal to null.

This has proven to be useful when it's known ahead of time that some large rbs eating operation is about to be take place.

Be forewarned: it can cause ORA-1555 on current queries.

Jared
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Author: Jesse, Rich
  INET: Rich.Jesse_at_qtiworld.com

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Author: Goulet, Dick
  INET: DGoulet_at_vicr.com

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