To partially answer your question, xacts in v$rollstat will tell you if
there are any active transactions in the rollback segment.
Raj
Glenn Travis
<Glenn.Travis To: Multiple recipients of list ORACLE-L
<[EMAIL PROTECTED]>
@sas.com> cc:
Sent by: Subject: Users reading from rollback
segments
root@fatcity.
com
February 26,
2002 02:38 PM
Please
respond to
ORACLE-L
Is there a way to tell if anyone is reading from the rollback segments?
I would like to manually issue 'alter rollback segment XXX shrink;', but do
not want to do so if there are users reading read consistent data from the
rollback space (thus giving them the ORA-01555 error).
Is there a way to check if the rollback segment is in use first?
Can I try to take it offline? Will it fail if there is someone reading
from it?
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Author: Glenn Travis
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