文档解释 ORA-23503: error occurred during IAS instantiation Cause: An attempt was made to instantiate a IAS site. Error occurred during IAS instanti……

文档解释 ORA-26687: no instantiation SCN provided for “string”.”string” in source database “string” Cause: Object SCN was not set. If the object is ……

文档解释 ORA-38860: cannot FLASHBACK DATABASE during instantiation of a logical standby Cause: The command was not permitted because the controlfile……