If you lost your entire database,including the database spfile,control files,online redo logs,and database datafiles,what kind of recovery would be required with RMAN?()
A. Complete database recovery.
B. Incomplete database recovery.
C. Approximate database recovery.
D. Archived database recovery.
E. The database could not be recovered with RMA
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2014年3月9日,习近平参加十二届全国人大二次会议安徽代表团的审议,谈三严三实中说,作风建设永远在路上
A. 正确
B. 错误
厚煤层采用分层垮落法采煤,只有()时,可不铺设人工假顶。
A. 顶板良好
B. 可形成再生顶板
C. 充填采空区