ORA-00234：error in identifying or opening snapshot or copy control file
错误码
错误描述：error in identifying or opening snapshot or copy control file
错误原因：A snapshot or copy control file of the specified name could not be found or opened during an invocation of cfileUseSnapshot, cfileMakeAndUseSnapshot, or cfileUseCopy.
解决方法：Re-create the snapshot or copy control file using cfileMakeAndUseSnapshot or ALTER DATABASE BACKUP CONTROLFILE, respectively.
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