052-67

The instance abnormally terminates because of a power outage. Which statement is true about redo log files during instance recovery?
A.Inactive and current redo log files are required to accomplish recovery.
B.Online and archived redo log files are required to accomplish instance recovery.
C.All redo log entries after the last checkpoint are applied from redo log files to data files.
D.All redo log entries recorded in the current redo log file until the checkpoint position are applied to data files.

实例恢复是进程应用记录在 online redo log 的信息去重建最近一次检查点的之后的变更。

posted @ 2017-12-08 10:44  巴啦啦大魔王  阅读(95)  评论(0编辑  收藏  举报