文档解释 ORA-23312: not the masterdef according to string Cause: The group name is null, the group name is misspelled, the invocation or given datab……

文档解释 ORA-23316: the masterdef is string Cause: The requested operation is not permitted on a masterdef site. Action: Relocate the masterdef to a……

文档解释 ORA-23356: masterdef recognizes a master which does not recognize the masterdef Cause: Possibly drop_master_repgroup was run at a master si……