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1. You received complaints about the degradation of SQL query performance. You identified top SQL queries that consume time. What would be your next step to find out recommendations about statistics collection and restructuring of the SQL statement to improve query performance?

A) run Segment Advisor
B) run SQL Tuning Advisor on top SQL statements
C) run the Automatic Workload Repository (AWR) report
D) run the Automatic Database Diagnostic Monitor (ADDM) on top SQL statements

2. You created a response file and want to check it before starting installations in silent mode. You started installation of Oracle software in interactive mode by providing the response file. In the middle of the installation, you realize that the behavior of the Oracle Universal Installer (OUI) is not consistent with the response file. What action would you take to detect the cause of this behavior?

A) Refer to the alert log file for information regarding the actions performed by OUI during installation.
B) Refer to the contents of the oraInst.loc file to verify the steps performed by OUI.
C) Compare the contents of the installActions.log file with that of the response file.
D) Compare the contents of the install.log file with the response file.

3. Your database is functional with peak load for one hour. You want to preserve the performance statistics collected during this period so that they can be used for comparison while analyzing the performance of the database in the future. What action would you take to achieve this task?

A) Decrease the snapshot interval in the AWR to collect more number of snapshots during the peak-load period.
B) Set the STATISTICS_LEVEL initialization parameter to ALL.
C) Set the snapshot retention period in the Automatic Workload Repository (AWR) to zero to avoid the automatic purging of the snapshots.
D) Create a baseline on a pair of snapshots that have the statistics of the peak-load period in the database.

4. View the Exhibit to observe the privileges granted to the MGR_ROLE role. The SCOTT
user has been granted the CONNECT and RESOURCE roles only.
The database administrator (DBA) grants MGR_ROLE to the SCOTT user by using this
command:
SQL> GRANT MGR_ROLE TO SCOTT WITH ADMIN OPTION;
Which statement is true about the SCOTT user after he is granted this role?

A) The SCOTT user can grant the privileges in the MGR_ROLE role to other users but cannot revoke privileges from them.
B) The SCOTT user can grant the privileges in the MGR_ROLE role to other users but not with ADMIN_OPTION.
C) The SCOTT user can grant only the MGR_ROLE role to other users but not the privileges in it.
D) The SCOTT user can grant the MGR_ROLE role and the privileges in it to other users.

5. Your database instance is started using the server parameter file (SPFILE). Control files are multiplexed and stored on different disks. Because of a disk failure, you lost one of these control files. You replaced the damaged disk. What is the correct sequence of steps that you would follow to recover the control file?
1.Shut down the instance, if not already done.
2.Copy one of the remaining control files to a new location.
3.Change the value of the CONTROL_FILES initialization parameter to correspond to the new location of the control files.
4.Start up the database instance to the NOMOUNT stage.
5.Recover the database to the point of failure of the control file.
6.Open the database.

A) 5,2,3,4
B) 4,5,6,2,3
C) 2,4,3,4,5
D) 1,2,4,3,5

問題與答案：