In the parameter file of your production database， the CONTROL_FILE_RECORD_KEEP_TIME parameter is set to 31. What would be the impact of this setting on the backup that is being performed by using Recovery Manager （RMAN）？（）

A、 The backup would be retained on the media for 31 days.

B、 The backup would be maintained in the recovery catalog for 31 days.

C、 The backup metadata would be retained in the control file for 31 days.

D、 The backup metadata would be maintained in the recovery catalog for 31 days.

E、 Automatic backups of the control file will be retained in the flash recovery area for 31 days.

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• You are working on an Oracle Database 10g database. You enabled the Flashback Database feature. Which two statements regarding flashback logs are true？ （）

  A

   Flashback logs are not archived.

  B

   Flashback logs are maintained in redo log files.

  C

   Flashback logs are maintained in the Flash Recovery Area.

  D

   Flashback logs are used to maintain Flashback Database related errors.

  E

   Flashback logs need to be cleared manually after you disable Flashback Database.

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• The loss of the control file forced you to re/x7fcreate the control file. After re/x7fcreating it and opening the database， you find that some of the data files are named as MISSINGnnnnn， where nnnnn is a five/x7fdigit number starting with 0.  What could be the possible reason？（）

  A、These are the data files that are corrupted.

  B、There is no SYSAUX tablespace in your database

  C、There is a read­only tablespace in your database.

  D、These are the data files that cannot be recovered.

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• 在软件设计中，不属于过程设计工具的是()。

  A．PDL(过程设计语言)

  B．PAD图

  C．N-S图

  D．DFD图

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• In which two conditions are resumable statements suspended？（）

  A

   when a user exceeds the space quota

  B

   when a user session is terminated

  C

   when a table that is being accessed by the current transaction is not found

  D

   when a user manually suspends the statement

  E

   when the maximum extents of a segment is reached

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• Because of hardware failure， you decided to drop a redo log member from the database. Which condition should be met to drop a redo log file？（）

  A、 The redo log file should belong to an active group.

  B、 The redo log file should belong to an inactive group.

  C、 The redo log file should belong to the current group.

  D、 The redo log file can be dropped only if all the transactions are stopped.

  E、 Before a redo log file is dropped， it should be deleted from the operating system （OS）.

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