凭证记账的一般过程是()。
A.合法性检验→记账→备份
B.备份→合法性检验→记账
C.记账→备份→合法性检验
D.汇总→合法性检验→记账
第1题
A.BMRlowersthemeantimetorecover(MTTR).
B.BMRsupportspointintimerecoveryofindividualdatablocks.
C.BMRenablesyoutouseincrementalbackupsforblockrecovery.
D.BMRenablesrecoveryevenwhenthedatabaseisnotmountedoropen.
E.BMRenablesyoutouseproxybackupstoperformblockmediarecovery.
F.BMRenablesincreasedavailabilityofdataduringrecoverybecausethedatafilethatrequiresa recoverycanremainonline.
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