Youhavecreatedadatabaselink，devdb.us.oracle.com，betweenthedatabasesPRODDBandDEVDB.YouwanttoimportschemaobjectsoftheHRuserusingOracleDataPumpfromthedevelopmentdatabase，DEVDB，totheproductiondatabase，PRODDB.Youexecutethefollowingcommandonthetargetdatabaseser
题目
Youhavecreatedadatabaselink，devdb.us.oracle.com，betweenthedatabasesPRODDBandDEVDB.YouwanttoimportschemaobjectsoftheHRuserusingOracleDataPumpfromthedevelopmentdatabase，DEVDB，totheproductiondatabase，PRODDB.Youexecutethefollowingcommandonthetargetdatabaseserver：
$impdpsystem/managerdirectory=DB_DATAdumpfile=schemas.datschemas=hr
flashback_time=2004-02-0309：00
Thecommandfails，displayingthefollowingerror：ORA-39001：invalidargumentvalue
ORA-39000：baddumpfilespecification
ORA-31640：unabletoopendumpfile/home/oracle/schema/schemas.dat”forreadORA-27037：unabletoobtainfilestatusWhatwouldyoudotoovercometheerror（）