（331）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';

答案：（E）

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Oracle 11G OCP 1Z0-053 331