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1Z0-053 177-Q67

原创 Oracle 作者:cow977 时间:2016-09-11 20:10:42 0 删除 编辑
177-Q67:

You need to perform user-managed complete database recovery. What information do you need to retrieve from V$RECOVERY_LOG? (Choose the best answer)

A. The history of the datafiles recovered so far.

B. The archived redo log files required for recovery.

C. The datafiles and archived redo log files required for recovery.

D. the online redo log files that are corrupted and need to be re-created.

Answer: B

您需要执行用户管理的完整的数据库恢复。你需要从V$recovery_log获取什么信息?(选择最好的答案)

SQL> desc V$RECOVERY_LOG;

 名称                              是否为空? 类型

 --------------------------------- -------- ---------------------

 THREAD#                                    NUMBER

 SEQUENCE#                                  NUMBER

 TIME                                       DATE

 ARCHIVE_NAME                               VARCHAR2(513)

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