单项选择题

You are maintaining your database in Oracle10g. You are performing the backup by using the BACKUP AS BACKUPSET command at the RMAN prompt. Which file cannot be backed up by using the BACKUP AS BACKUPSET command？（）

A.Datafiles
B. Current control file
C. Server parameter file （spfile）
D. Password file

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多项选择题

Your database in running in the ARCHIVELOG mode. You issue the following command to back up datafile 2 in your database.
RMAN> COPY DATAFILE 2 TO ’D：\ORACLE\ORA90\MYNEWDB\DA2.DBF’；
Which two statements are true regarding the backup created using this command？（）

A. The copy of the datafile created is stored in the RMAN repository.
B. The copy of the datafile created can be viewed using the LIST BACKUP command.
C. The copy of the datafile created using this COPY command can be placed only on the disk.
D. The copy of the datafile created is similar to the backup of the file created using the BACKUP command.
E. The copy of the datafile created can be used for recovering the database using the user-managed recovery method.

单项选择题

You have configured OMF in your database. You enabled the ALTER DATABASE ENABLE BLOCK CHANGE TRACKING； statement to enable the block change tracking feature. What information will be written in the change tracking file？（）

A. the system change number
B. the locations of the redo log files
C. the locations of the datafiles
D. the physical location of all the database changes

单项选择题

In which scenario， will you issue the following command？（）
RMAN> REPORT NEED BACKUP DAYS 7；

A. to configure RMAN to maintain backup information in the RMAN repository for seven days
B. to configure RMAN to maintain backup information in the control file for at least seven days
C. to display the list of files that have not been backed up for the last seven days
D. to display the list of files that must be backed up within seven days