WhichthreestatementsaretrueregardingthelogicalstructureoftheOracledatabase?()

A.Eachsegmentcontainsoneormoreextents. B.Multipletablespacescansharesingledatafile. C.AdatablockisthesmallestunitofI/Ofordatafiles. D.Itispossibletohavetablespacesofdifferentblocksizesinadatabase. E.EachdatablockinthedatabasealwayscorrespondstooneOSblock.

时间:2023-08-25 18:10:10

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