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41#
发表于 2016-10-19 09:58:34
40:
You have issued a SHUTDOWN ABORT command to bring down your database instance. Consider the steps that will be performed later when you open the database:
1. SGA is allocated.
2. Control file is read.
3. Redo log files are opened.
4. Instance recovery is started.
5. Background processes are started.
6. Data file headers are checked for consistency.
7. Server parameter file or the initialization parameter file is read.
Which option has the correct order in which these steps occur?
A. 7, 1, 5, 2, 3, 6, 4
B. 1, 2, 3, 7, 5, 6, 4
C. 7, 1, 4, 5, 2, 3, 6
D. 1, 7, 5, 4, 2, 3, 6
40:
你执行SHUTDOWN ABORT命令关闭数据库实例。考虑打开数据库之的步骤:
1. 分配SGA
2. 读取控制文件
3. 打开日志文件
4. 开始实例恢复
5. 启动后台进程
6. 检查数据文件头一致性
7. 读取spfile或pfile文件
哪个是正确的步骤?
A. 7, 1, 5, 2, 3, 6, 4
B. 1, 2, 3, 7, 5, 6, 4
C. 7, 1, 4, 5, 2, 3, 6
D. 1, 7, 5, 4, 2, 3, 6
答案:A
本题考查的是数据库启动
参考官方文档:
http://docs.oracle.com/cd/E11882_01/server.112/e25494/start.htm#ADMIN11142 |
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