单选题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（）AAdd the user， SYSTEM， to the schemas option.BAdd the network_link = devdb.us.oracle.com option.CChange the dumpfile option to schema.dat@devdb.us.oracle.com.DReplace the schemas option with the network_link = devdb.us.oracle.comEReplace the dumpfile option with the network_link = devdb.us.oracle.com
单选题
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
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