ORA-12721 Alter Database Character Set In Alert Log
(Doc ID 2117855.1)
Last updated on JANUARY 09, 2020
Applies to:Oracle Database - Enterprise Edition - Version 18.104.22.168 to 22.214.171.124 [Release 11.2 to 12.1]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.
Database was created using dbca and selected template : General purpose.
WE8ISO8859P15 is the selected character set. Post database creation NLS_DATABASE_PARAMETERS shows US7ASCII as the character set.
In Alert log below error is observed:
ORA-12721 signaled during: alter database character set INTERNAL_CONVERT WE8ISO8859P15...
Running the above sql statement from sql*plus fails with ORA-12721
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