日韩欧美亚洲 _ 欧美亚洲一区 _ 日本亚洲欧美 _ 亚洲精品欧美 国产白袜脚足J棉袜在线观看_亚洲熟妇av一区二区三区_久久天天躁狠狠躁夜_精品众筹模特私拍在线

單項選擇題

What will be the end result of this set of RMAN commands?()  
shutdown abort startup mount 
restore datafile 4 until time ,,09/30/2008:15:00:00; 
recover datafile 4 until time ,,09/29/2008:15:00:00; 
alter database open resetlogs;

A. Datafile 4 will be recovered until 9/30/2008 at 15:00 and the database will open.
B. The restore command will fail.
C. The recover command will fail.
D. The alter database open resetlogs command will fail.
E. All these commands will fail because they must be in the confines of a run block.


微信掃碼免費搜題