OCP-1Z0-053-V12.02-332题

332.David managed to accidentally delete the datafiles for database called DSL. He called Heber and

Heber tried to help but he managed to delete the control files of the database. Heber called Bill and Bill

saved the day. They are using a recovery catalog for this database. What steps did Bill perform to recover

the database and in what order?

A. Restored the control file with the RMAN restore controlfile command.

B. Mounted the DSL instance with the alter database mount command.

C. Restored the datafiles for the DSL database with the RMAN restore command.

D. Opened the DSL database with the alter database open resetlogs command.

E. Recovered the datafiles for the DSL database with the RMAN recover command.

F. Started the DSL instance.

G. Connected to the recovery catalog with RMAN.

H. a, b, c, d, e, f, g

I. b, c, d, g, f, e, a

J. g, f, a, b, c, e, d

K. c, a, d, b, f, e, g

L. g, f, a, b, e, c, d

Answer: C

答案解析:

题中说,在avid不小心删除的数据库和heber删除了控制文件后,怎么使用恢复目录来恢复数据库,数据路实例名:DSL

1,连接到目录数据库

2,启动DSL数据库实例

3,恢复控制文件

4,启动到mount状态

5,恢复数据文件

6,recover数据文件

7,因为是重新恢复的控制文件,所有用open resetlogs打开数据库


原文地址:https://www.cnblogs.com/hzcya1995/p/13316709.html