單項選擇題

A data file become corrupted in your database due to bad sectors on the disk. Because of corruption， you lost all the important tables in that data file. Which method would you use for recovery？（）

A. Flash back all the tables in the data file， one by one.
B. Restore the data file to a new location and perform a media recovery.
C. Flash back the database， there is no need to restore the data file.
D. Restore the data file from the most recent backup and flash the database.

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單項選擇題

Exhibit： View the Exhibit and examine the characteristic of the USERS tablespace. You observe that a large volume of inserts and deletes are happening on the TRANS table in the USERS tablespace and you suspect that the TRANS table is fragmented. Which advisory component would you refer to， in order to find information about table fragmentation？（）

A. Memory Advisor
B. Segment Advisor
C. SLQ Tuning Advisor
D. SLQ Access Advisor
E. Automatic Database Diagnostic Monitor （ADDM）

單項選擇題

For the V$SESSION_LONGOPS view， you find that some of the database users have long-running queries that consume a lot of CPU time. This causes performance problems for other users in the database， who have much shorter queries. You would like to make sure that the users with large queries do not use all the CPU time， but you still do not want to terminate them with an error message. Which method would you follow to achieve this？（）

A. Set the CPU time per call in the users profile.
B. Set the CPU time per session in the users profile.
C. Set the CPU levels for the user’s group using Resource Manager.
D. Set the TIMED_STATISTICS parameter to TRUE in the parameter file.

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A data file become corrupted in your database due to bad sectors on the disk. Because of corruption， you lost all the important tables in that data file. Which method would you use for recovery？（）

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A data file become corrupted in your database due to bad sectors on the disk. Because of corruption， you lost all the important tables in that data file. Which method would you use for recovery？（）