Which of the following represents the correct way to perform an online recovery of datafile 4, which is assigned to a tablespace called USERS?()
- A、 shutdown restore datafile 4; recover datafile 4; alter database open;
- B、 Sql alter database datafile 4 offline; restore datafile 4; recover datafile 4; alter database open;
- C、 Sql alter database datafile 4 offline; restore datafile 4; Sql alter database datafile 4 online;
- D、 Sql alter database datafile 4 offline; restore database datafile 4; recover database datafile 4;Sql alter database datafile 4 online;
- E、 Sql alter database datafile 4 offline; restore datafile 4; recover datafile 4; Sql alter database datafile 4 online;
正确答案:E
答案解析:有
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