Youhavealargeamountofhistoricaldatainanoperatingsystemfile.Someanalystsinyourorganizationneedtoquerythisdata.Thefileistoolargetoloadintoyourcurrentdatabase.Whichisthemosteffectivemethodtoaccomplishthetask?()

A.Upgradethehardware/memorytoaccommodatethedata. B.LoadthedataintoyourdatabasebyusingthePARALLELclause. C.GiveanalystsDBAprivilege,sothattheycanqueryDBA_EXTERNAL_TABLES. D.Useanexternaltablesoyoucanhavethemetadataavailableinyourdatabase,butleavethedataintheoperatingsystemfiles.

时间:2023-08-25 16:04:47

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