IMP-00401：dump file "string" may be an Data Pump export dump file
错误码
错误描述：dump file "string" may be an Data Pump export dump file
错误原因：A dump file was specified for an import operation which appears to have been created using the Data Pump export utility. These dump files cannot be processed by the original import utility.
解决方法：Try using the Data Pump import utility to process this dump file.
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