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多項(xiàng)選擇題

When performing incomplete recovery using UNTIL SEQUENCE with RMAN， which two pieces of information are required？（）

A.Thread number.
B.Log Sequence number.
C.Control file sequence number.
D.Name of the last archived log.

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單項(xiàng)選擇題

Which background process reads the redo log buffer and writes it to a file？（）

A.ARCn
B.DBWn
C.CKPT
D.LGWR
E.PMON
F.SMON

單項(xiàng)選擇題

You have performed the first step in placing your database into ARCHIVELOG mode. The second step is deciding whether the online redo log files are to be archived automatically or manually.
Which action should you take to enable archiving at instance startup？（）

A.A
B.B
C.C
D.D

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