无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

單項選擇題

You want to migrate your database to ASM, so you have done a clean shutdown, made a closed backup of the entire You wa database, noted the location of your control files and online redo log files, and changed your spfile to use OMF. The last step is to run an RMAN script to do the conversion. 
Using the following steps,what is the correct order in which the following RMAN commands should be executed?()  
1. STARTUP NOMOUNT 
2. ALTER DATABASE OPEN RESETLOGS 
3. SQL "ALTER DATABASE RENAME ,,logfile1 path TO ,,+dgrp4 ,," # plus all other logfiles 
4. SWITCH DATABASE TO COPY 
5. BACKUP AS COPY DATABASE FORMAT ,,+dgrp4
6. ALTER DATABASE MOUNT 
7. RESTORE CONTROLFILE FROM ,,controlfile_location

A. 2, 5, 3, 1, 7, 6, 4
B. 1, 7, 6, 5, 4, 3, 2
C. 5, 1, 2, 7, 4, 6, 3
D. 7, 3, 1, 5, 6, 2, 4

微信掃碼免費搜題