Oracle OCP认证考试题库解析052-5

QUESTION 5

You want to enable archiving on your database. Presently, the database is running in NOARCHIVELOG mode.

Given below are the steps to accomplish the task in random order:

1. Shut down the instance.

2. Execute the ALTER DATABASE ARCHIVELOG command.

3. Start up the instance and mount the database.

4. Set the DB_RECOVERY_FILE_DEST initialization parameter to $ORACLE_HOME/dest_1.

5. Open the database.

Which is the correct sequence of steps for accomplishing the task?

A. 4, 1, 3, 2, 5

B. 1, 3, 4, 5, 2

C. 1, 3, 2, 5; 4 not required

D. 4, 1, 5, 2; 3 not required

E. 1, 3, 4, 5; 2 not required

Correct Answer: C


Explanation/Reference:

查看数据库是否为归档模式:

[email protected]> archive log list

Database log mode              No Archive Mode

Automatic archival               Disabled

Archive destination            USE_DB_RECOVERY_FILE_DEST

Oldest online log sequence      1

Current log sequence           2

关闭数据库:

[email protected]> shutdown immediate

Database closed.

Database dismounted.

ORACLE instance shut down.

数据库启动到mount:

[email protected]> startup mount

ORACLE instance started.

Total System Global Area  421724160 bytes

Fixed Size                  2253864 bytes

Variable Size             322964440 bytes

Database Buffers           88080384 bytes

Redo Buffers                8425472 bytes

Database mounted.

修改数据库为归档模式:

[email protected]> alter database archivelog;

Database altered.

打开数据库:

[email protected]> alter database open;

Database altered.

再次查看归档模式:

[email protected]> archive log list

Database log mode             Archive Mode

Automatic archival             Enabled

Archive destination            USE_DB_RECOVERY_FILE_DEST

Oldest online log sequence      1

Next log sequence to archive    2

Current log sequence          2

时间: 2024-10-03 05:32:56

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