单项选择题

You have created a script in the recovery catalog called backup_database. Which of the following commands would successfully execute that script？（）

A. run { open script backup_database； run script backup_database }
B. run { engage script backup_database； }
C. run { run script backup_database； }
D. Run { execute script backup_database； }
E. The name backup_database is an invalid name for an RMAN script. Trying to run it from RMAN would result in an error.

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多项选择题Ifyoubackupadatabasewithoutconnectingtotherecoverycatalog，whichoperationswillcausetherecoverycatalogtobeupdated？（）

A. The next time you back up the database when you are also connected to the recovery catalog and the target database
B. The next time you are connected to the target database and the recovery catalog database and issue the resync command
C. The next time you connect RMAN to just the recovery catalog
D. The next time you connect to the recovery catalog and the target database with RMAN
E. Connecting to the recovery catalog and issuing the resync all databases command

单项选择题View the Exhibit for some of the current parameter settings. A user logs in to the HR schema and issues the following commands: SQL> CREATE TABLE emp (empno NUMBER(3), ename VARCHAR2(20), sal NUMBER(8,2)); SQL> INSERT INTO emp(empno,ename) VALUES(1,JAMES); At this moment, a second user also logs in to the HR schema and issues the following command: SQL> ALTER TABLE emp MODIFY sal NUMBER(10,2); What happens in the above scenario?（）

A. The second user's session immediately produces the resource busy error.
B. The second user's command executes successfully.
C. The second user's session waits for a time period before producing the resource busy error.
D. A deadlock is created.

多项选择题Identify two situations in which you can use Data Recovery Advisor for recovery. （）(Choose two.)

A. The user has dropped an important table that needs to be recovered.
B. The database files are corrupted when the database is open.
C. You are not able to start up the database instance because the required database files are missing.
D. The archived log files are missing for which backup is not available.

多项选择题Whatprivilegesmustbegrantedtoallowanaccounttocreatetherecoverycatalog？（）

A. RECOVERY_CATALOG_OWNER
B. DBA
C. RESOURCE
D. SELECT ANY DICTIONARY
E. CONNECT

单项选择题You are managing an Oracle Database 11g database. You want to take the backup of MULT_DATA, a big filetablespace of size 100 TB on tape drive, but you have tapedrives of only 10 GB each.Which method would accomplish the task quickly and efficiently?（）

A. parallel image copy backup
B. backup with MAXPIECESIZE configured for the channel
C. parallel backup with MAXPIECESIZE configured for the channel
D. intrafile parallel backup