Downgrade From 19c To 11g Taking Longer
(Doc ID 2668481.1)
Last updated on OCTOBER 30, 2020
Applies to:Oracle Database - Enterprise Edition - Version 188.8.131.52.0 to 184.108.40.206.0 [Release 19]
Information in this document applies to any platform.
- Downgrade from 19c to 11g is taking too long ~ 40 mins on the following updates. It's updating all the wrh$ tables in AWR with per_pdb = null like following:
update WRH$_SYSMETRIC_HISTORY set per_pdb = null
update WRH$_MUTEX_SLEEP set per_pdb = null
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