文档解释 ORA-16206: database already configured as Logical Standby database Cause: This database has been previously configured as a Logical Standby……

文档解释 ORA-38499: expression set already configured for stored/indexed attributes Cause: The expression set already had a list of stored and index……

文档解释 ORA-16789: standby redo logs not configured Cause: Standby redo logs were not configured for the database. Action: Standby redo logs are re……