Youareusingflatfilesasthedatasourceforoneofyourdatawarehousingapplications.Tooptimizethe applicationperformance，youplantomovethedatafromtheflatfilestoclusteredtablesinanOracledatabase.Whilemigratingthedata，youwanttohaveminimalimpactonthedatabaseperformanceandoptimizethedataloadoperation.WhichmethodwouldyouusetoloaddataintotheOracledatabase（）A.Usetheexternaltablepopulation.B.UsetheOracleDataPumpexportandimportutility.C.UsetheconventionalpathdataloadoftheSQL*Loaderutility.D.UsetheINSERTINTO...SELECTcommandtoloadthedata
Youareusingflatfilesasthedatasourceforoneofyourdatawarehousingapplications.Tooptimizethe applicationperformance，youplantomovethedatafromtheflatfilestoclusteredtablesinanOracledatabase.Whilemigratingthedata，youwanttohaveminimalimpactonthedatabaseperformanceandoptimizethedataloadoperation.WhichmethodwouldyouusetoloaddataintotheOracledatabase（）
A.Usetheexternaltablepopulation.
B.UsetheOracleDataPumpexportandimportutility.
C.UsetheconventionalpathdataloadoftheSQL*Loaderutility.
D.UsetheINSERTINTO...SELECTcommandtoloadthedata
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