本文主要是介绍oracle: ocp题解与实验(6/205),希望对大家解决编程问题提供一定的参考价值,需要的开发者们随着小编来一起学习吧!
题目:
Exhibit:
6.You executed the following command to perform a backup of the
USERS tablespace:
RMAN > BACKUP TABLESPACE USERS;
Which type of backup would this command perform?
A. backup set
B. image copy
C. incremental backup
D. None; the user receives an error indicating that the backup type must
be specified.
Answer: A
答案解释:
图片中有一句话:CONFIGURE DEVICE TYPE DISK PARALLELISM 1 BACKUP TYPE TO BACKUPSET; # default 表明使用的是备份集模式;另外可参考:
CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO COPY; # 使用image copies
CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO BACKUPSET; #使用备份集(uncompressed)
可以知道A正确,B错误;对于C中的增量备份不是通过参数指定的,而是命令中指定的,但是命令没有说明是增量备份;D错误;
关于更多RMAN环境参数说明需参考官方资料;
这篇关于oracle: ocp题解与实验(6/205)的文章就介绍到这儿,希望我们推荐的文章对编程师们有所帮助!