You have just performed a FLASHBACK TABLE operation using the following command：   flashback table employees to scn 123456；   The employees table has triggers associated with it.  Which of the following statements is true regarding the state of the triggers during the Flashback Table operation？（）  

You have 100 segments in the USERS tablespace. You realize that the USERS tablespace is running low on space.  You can use Segment Advisor to （）

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Exhibit： View the Exhibit.You have more than one table in the recycle bin having the same original name， DEPT2. You do not have any table with the nameDEPT2 in your schema. You executed the following command：PURGE TABLE dept2； Which statement is correct in this scenario？（）

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You want to drop the TBS1 tablespace from your database.  You also want to delete the corresponding data files automatically， and not have to do it manually.  What should you do？（）

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Your database is in ARCHIVELOG mode. You have two online redo log groups，each of which contains one redo member.  When you attempt to start the database， you receive the following errors：（）

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Your database has a backup that was taken yesterday （Tuesday） between 13：00 and 15：00 hours. This is the only backup you have. You have lost all the archived redo logs generatedsince the previous Monday， but you have archived redo logs available from the previous Sunday and earlier. You now need to restore your backup due to database loss.  To which point can you restore your database？（）  

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After you back up /export using a file system snapshot， and you have removed the snapshot， you also need to remove the backing store. If the snapshot was created with：  # mkdir /var/tmp/backup-snaps  # fssnap -o  bs=/var/tmp/backup-snaps /export   Which file do you need to remove？ （）

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You created a database by using the Database Configuration Assistant. What must you do to access a user account in the sample schemas？（）

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You have lost all your RMAN backup set pieces due to a disk failure. Unfortunately， you have an automated cross-check script that also does a delete expired backupset command. You have restored all the backup set pieces from tape.  What command would you use to get those backup set pieces registered in the recovery catalog and the control file of the database again？（）  

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You have a production instance running on your server. UNDO_RETENTION is not long enough to satisfy read-consistency requirements. How do you change the UNDO_RETENTION value？（）

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You have enabled backup optimization in RMAN. You issue the following RMAN command to configure a redundancy-based retention policy：   CONFIGURE RETENTION POLICY TO REDUNDANCY 3；   Which statement is true？（）  

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