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Because of a power outage， instance failure has occurred. From what point in the redo log does recovery begin and where does it end？（）
A:current redo log and inactive redo log
B:checkpoint position to end of redo log
C:beginning of redo log to end of redo log
D:all redo logs before the point of last commit
E:beginning of redo log to checkpoint position

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出自：Oracle认证

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