586.Consider the following command:
Backup database plus archivelog delete input;
How many backup sets would be created by this command if the following were true:
Control-file a NN uto backups were enabled.
NN The size of backup sets was not restricted.
NN One channel was allocated.
A. 1
B. 2
C. 3
D. 4
E. 5
Answer: D
解析： 这四个分别是 数据文件 控制文件 服务器参数文件 以及归档日志文件 当你开启自动备份控制文件时，默认会自动备份spfile Oracle 数据库 ocp-053-586
原文：http://blog.itpub.net/29654823/viewspace-1400247/
