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单项选择题 You want to import schema objects of the HR user using Oracle Data Pump from the development database，DEVDB， to the production database， PRODDB. A database link devdb.us.oracle.com is created betweenPRODDB and DEVDB. You execute the following command on the PRODDB database server：$ impdp system/manager directory = DB_DATAdumpfile = schemas.datschemas = hr flashback_time = "TO_TIMESTAMP（’25-08-2007 14：35：00’， ’DD-MM-YYYY HH24：MI：SS’）"The command fails displaying the following error：ORA-39001： invalid argument valueORA-39000： bad dump file specification ORA-31640： unable to open dump file "/home/oracle/schema/schemas.dat" for read ORA-27037： unable toobtain file status What would you do to overcome the error（）

A、Add the user， SYSTEM， to the schemas option.

B、Add the network_link = devdb.us.oracle.com option.

C、Change the dumpfile option to schema.dat@devdb.us.oracle.com.

D、Replace the schemas option with the network_link = devdb.us.oracle.com

E、Replace the dumpfile option with the network_link = devdb.us.oracle.com

  • E

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