Youhavealargeamountofhistoricaldatainaflatfile.Someanalystsinyourorganizationneedtoqueryth
18 查阅
Youhavealargeamountofhistoricaldatainaflatfile.Someanalystsinyourorganizationneedtoquerythisdatainthefile.Thefileistoolargetoloadthedatainitintoyourcurrentdatabase.Whichisthemosteffectivemethodtoaccessthisdatainyourdatabase()
A.Usethedatabaselink.
B.UsetheSQL*Loaderutility.
C.UsetheOracleDataPumputility.
D.Createanexternaltableandleavethedataintheflatfile
参考答案: