Unable to Alter System Parameter 'UNDO_RETENTION' at PDB Level
(Doc ID 2501229.1)
Last updated on DECEMBER 25, 2020
Applies to:Oracle Database - Enterprise Edition - Version 188.8.131.52 and later
Information in this document applies to any platform.
In 12.2 environment the below parameter change throws error saying not allowed from within a pluggable database
SQL> alter system set "undo_retention"= 900;
alter system set "undo_retention"= 900
ERROR at line 1:
ORA-65040: operation not allowed from within a pluggable database
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