多項選擇題

Your database is running in ARCHIVELOG mode. One of the data files,USERDATA01.dbf, in the USERS tablespace is damaged and you need to recover the file until the point of failure. The backup for the datafile is available. Which three files would be used in the user-managed recovery process performed by the database administrator (DBA)?（）

A. Redo logs
B. Control file
C. The latest backup of only the damaged data file
D. The latest backup of all the data file in the USERS tablespace
E. Temporary files of temporary tablespace
F. Archive Logs since the latest backup to point of failure

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單項選擇題

You work with a newly created database. Presently, there is no application load on the database instance.You want to create a baseline for tuning the application, so you decide to collect recommendations that can be implemented to improve application performance.What action must you take to achieve this?（）

A. Run Segment Advisor
B. Run the SQL Tuning Advisor (STA)
C. Run the Automatic Workload Repository (AWR) report
D. Run the SQL Access Advisor with a hypothetical workload

單項選擇題

You issued the following commands to configure setting in RMAN;

Then you issued the following command to take the backup:
RMAN> BACKUP DATABASE PLUS ARCHIVELOG;
Which statement is true about the execution of the above command?（）

A. The backup will terminate because the FORMAT clause was not configured for the channel
B. It backs up two copies of data files to tape and disk, and two copies of archived log file on tape
C. It backs up the data files and archived log files to disk, making two copies of each data file and archived log file
D. It backs up the data files and archived log files to tape, making two copies of each data file and archived log file

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You issued the following commands to configure setting in RMAN; Then you issued the following command to take the backup: RMAN> BACKUP DATABASE PLUS ARCHIVELOG; Which statement is true about the execution of the above command?（）

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You issued the following commands to configure setting in RMAN;

Then you issued the following command to take the backup:
RMAN> BACKUP DATABASE PLUS ARCHIVELOG;
Which statement is true about the execution of the above command?（）