Which of the following commands will fail？（）  

A、 report schema

B、 report need backup

C、 report need backup days 3

D、 report user

E、 report obsolete

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• Because of a logical corruption in your production database, you wanted to perform Tablespace Point in Time Recovery (TSPITR). But before you start the recovery, you queried the TS_PITR_OBJECTS_TO_BE_DROPPED view and realized that there are a large number of objects that would be dropped when you start the recovery by using this method. You want to preserve these objects. Which option must you use to perform TSPITR and preserve the object?（）

  A、Perform Export before TSPITR and Import after TSPITR

  B、Move objects to another schema that has the same tablespace assigned

  C、Perform Incomplete Recovery before TSPITR with the Log Sequence Number (LSN)

  D、Perform Incomplete Recovery before TSPITR with the System Change Number (SCN)

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• You want to disable resumable space allocation for all sessions.Which value should be assigned to the RESUMABLE_TIMEOUT parameter to disable resumable space allocation for all sessions？（）

  A、0

  B、10

  C、100

  D、NULL

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• What command is used to reset a database to a previous incarnation？（）  

  A、 reset incarnation

  B、 incarnation reset

  C、 reset database to incarnation

  D、 reset database incarnation

  E、 reset databse incarnation number

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• Which of the following does the recover command not do？（）  

  A、 Restore archived redo logs.

  B、 Apply archived redo logs.

  C、 Restore incremental backups.

  D、 Apply incremental backups.

  E、 Restore datafile images.

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• How can you reverse the effects of an ALTER DISKGROUP ... DROP DISK command if it has not yet completed？（）  

  A、 Issue the ALTER DISKGROUP ... ADD DISK command.

  B、 Issue the ALTER DISKGROUP ... UNDROP DISKS command.

  C、 Issue the ALTER DISKGROUP ... DROP DISK CANCEL command.

  D、 Retrieve the disk from the Recycle Bin after the operation completes.

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