Oracle 11G OCP 1Z0-053 323

（323）What is the correct order of the following commands if you wanted to restore datafile 4, which was accidentally removed from the file system?

a. sql 'alter database datafile 4 online';

b. restore datafile 4;

c. recover datafile 4;

d. sql 'alter database datafile 4 offline';

e. startup

f. shutdown

A. a, c, b, d

B. d, b, c, a

C. f, d, b, c, a, e

D. c, a, b, d, f

E. a, b, d, e

答案：（B）

解析：

不需要關閉資料庫例項

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