The following is the ORA-23478 error message, you can learn the cause and solution of the Oracle database error.


ORA-23478 object group string is already mastered at string

Cause: There is at least one other materialized view repgroup at the local site with the same group name but a different master site.

Solution: Ensure that all materialized view repgroups at the local site with the same group name have the same master.

Case:

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