Youbackedupthedatabaseat8a.m.todayusinganonlinebackup.Accountingmadealargechangetotheunderlyingdatabetween10a.m.andnoon.Whichofthefollowingactionswouldensurethatthechangescouldberecoveredusingthe8a.m.backup？（）A.Createamanualincrementalonlinedatabasebackup

Youbackedupthedatabaseat8a.m.todayusinganonlinebackup.Accountingmadealargechangetotheunderlyingdatabetween10a.m.andnoon.Whichofthefollowingactionswouldensurethatthechangescouldberecoveredusingthe8a.m.backup？（）

A.Createamanualincrementalonlinedatabasebackup.

B.Backupallthearchivedredologsgeneratedsincethe8a.m.backup.

C.Createabrand-newbackupafterallthechangeshavebeenapplied.

D.Thereisnowaytomakethechangesrecoverablebasedonthe8a.m.backup.

E.Performanonlinebackupofthetablespace（s）thatcontainedchangeddata.