Asaresultofamediafailure,thecurrentonlineredologgroupiscorrupted.Thedatabasecrashes,asthecurrentonlinegroupisinaccessible.Whichtypeofincompleterecoveryareyoumostlikelytoperform?()A.Cancel-basedB.RecoveryusingabackupcontrolfileC.Time-basedD.Change-based
题目
Asaresultofamediafailure,thecurrentonlineredologgroupiscorrupted.Thedatabasecrashes,asthecurrentonlinegroupisinaccessible.Whichtypeofincompleterecoveryareyoumostlikelytoperform?()
A.Cancel-based
B.Recoveryusingabackupcontrolfile
C.Time-based
D.Change-based
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参考答案和解析
参考答案：A