Whatshouldyoulookatfirsttocomputethenumberofundoblockswrittenpersecondtodisk?()

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A.V$UNDOSTAT

B.V$TRANSACTION

C.V$ROLLSTAT

D.DBA_UNDO_EXTENTS

E.DBA_ROLLBACK_SEGS

参考答案:

参考A

计算机考试