QUESTION NO: 150
What is the correct order of steps to perform an online database backup?
a. alter database begin backup;
b. alter database end backup;
c. Back up the database datafiles.
d. Back up the archive log files.
e. alter system switch logfile;
A. a, b, c, d, e
B. e, d, a, b, c
C. a, c, b, d, e
D. d, b, c, a, e
E. a, c, b, e, d
Answer: E
什么是执行联机数据库备份的正
确顺序?
a.改变数据库开始备份;
c.备份数据库的数据文件;
b.改变数据库结束备份;
e.改变系统切换日志文件。
d.备份归档记录文件。
E. a, c, b, e, d
原文:http://blog.csdn.net/xuejiayue1105/article/details/48939265