ORA-23449 missing user name cause and solution
The following is the ORA-23449 error message, you can learn the cause and solution of the Oracle database error.
ORA-23449 missing user name
Cause: The user specified by the user name parameter does not exist in the database.
Solution: Correct an invalid user name or create the user in the master database. Use the DBA_USERS view to select the valid database users.
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