QUESTION NO: 79
You have lost datafiles 1 and 3 from your database, and the database has crashed. In what order should
you perform the following steps to recover your database?
1. Take the datafiles that were lost offline.
2. startup mount the database
4. Restore the datafiles that were lost
5. Recover the datafiles with the recover datafile command.
3. Issue the alter database open command.
6. Bring the datafiles back online.
7. Recover the database with the recover database command.
A. 2, 1, 3, 4, 5, 6
B. 2, 4, 5, 3
C. 4, 7, 3
D. 2, 4, 7, 3
E. 2, 7, 3
Answer: B
你已经失去了你的数据库中的数据文件1和3，
数据库崩溃。你应该按照什么顺序执行以下步骤来恢复你的数据库？
B. 2, 4, 5, 3
a. 启动挂载数据库
b. 还原丢失的数据文件
c. 用恢复数据文件命令恢复数据文件