文档解释 ORA-31064: Cannot instantiate abstract element or property [string] Cause: An attempt was made instantiate an abstract element. Action: Use……

文档解释 ORA-16267: Cannot instantiate a Logical Standby during a switchover Cause: An instantiation of a Logical Standby has been attempted for a p……

文档解释 ORA-16266: Cannot instantiate a Logical Standby from another Logical Standby Cause: An instantiation of a Logical Standby has been attempte……