What methods of point-in-time recovery are available? (Choose all that apply.)

A. Change-based

B. Cancel-based

C. Time-based

D. Sequence number-based

E. Transaction number-based

Answer: A,B,C,D


A. Change-based基于更改

B. Cancel-based基于取消

C. Time-based基于时间

D. Sequence number-based基于序列号

Change-based application allows you to recover the database to a specific SCN. Cancel-based recovery

provides the ability for you to cancel recovery after each archived redo log application. Time-based

recovery provides the ability to recover the database up to a specific point in time. Sequence number–

based recovery allows you to recover the database up to a specific log sequence number.

时间: 10-07


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