单选题Which step is required for recover from an instance failure？ （）AStart up only.BRestore needed data files， then start up.CComplete restore from backup， then start up.DPerform point in time recovery， then start up.
单选题
Which step is required for recover from an instance failure？ （）
A
Start up only.
B
Restore needed data files， then start up.
C
Complete restore from backup， then start up.
D
Perform point in time recovery， then start up.
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