How To Identify The Session/Process Using A Specific UNDO Tablespace ?
(Doc ID 2876974.1)
Last updated on JUNE 21, 2022
Applies to:Oracle Database - Enterprise Edition - Version 188.8.131.52 and later
Information in this document applies to any platform.
For shrinking UNDO tablespace, you have created a new UNDO tablespace and changed UNDO_TABLESPACE parameter
according to a document :
You don't want to reboot (shutdown/startup) the instance, but you can kill some existing sessions.
How do you determine which sessions/processes are using the old UNDO tablespace ?
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