未知题型
Whichthreetypesofinformationdoesthecontrolfilecontain？（）
- A.Currentlogsequence.
B.Recovertuningparameters.
C.Redolognamesandlocations.
D.Datafilenamesandlocations.
E.Undosegmentnamesandlocations.
【参考答案】
A, C, D
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