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QUESTION NO:150

Which three statements are correct about temporary tables? (Choose three.)

A. Indexes and views can be created on temporary tables.

B. Both the data and the structure of temporary tables can be exported.

C. Temporary tables are always created in a user’s temporary tablespace.

D. The data inserted into a temporary table in a session is available to other sessions.

E. Data manipulation language (DML) locks are never acquired on the data of temporary

tables.

Answer: A,C,E

Explanation:

QUESTION NO:92

Your database instance is configured with automatic undo management and the

UNDO_RETENTION parameter is set to 900 seconds. You executed the following

command to enable retention guarantee:

SQL> ALTER TABLESPACE undotbs1 RETENTION GUARANTEE;

What affect would this command have on the database?

A. The extents in the undo tablespace retain data until the next full database backup

B. The extents containing committed undo in the undo tablespace are not overwritten for at

least 15 minutes

C. The extents containing committed data in the undo tablespace are not overwritten until

the instance is shut down

D. The extents containing committed undo in the undo tablepace are transferred to Flash

Recovery Area before being overwritten

Answer: B

Explanation:

QUESTION NO:82

Automatic Shared Memory Management (ASMM) has been enabled for your database

instance. The initialization parameters for the components that are managed by ASMM are

not set. After observing the effects of ASMM, you executed the following command:

SQL> ALTER SYSTEM SET DB_CACHE_SIZE = 100M;

Which statement is true in this scenario?

A. The minimum memory size for the database buffer cache is set to 100 MB.

B. The maximum memory size that can be obtained by the database buffer cache during

ASMM is set to 100 MB.

C. The minimum memory size allocated for a server process in the database buffer cache

in dedicated mode is set to 100 MB.

D. The maximum memory size from the database buffer cache that can be released for

dynamic distribution during ASMM is set to 100 MB.

Answer: A

Explanation:

QUESTION NO:60

You have statistics collected for some selected tables. Your requirement is that the

statistics for the tables and all dependent indexes must not be overwritten by further

statistics collection until a certain point of time. How would you achieve this?

A. Lock statistics for the tables.

B. Change STALE_PERCENT to zero for the tables.

C. Set the TIMED_STATISTICS parameter to TRUE.

D. Set the STATISTICS_LEVEL parameter to BASIC.

E. Set the OPTIMIZER_USE_PENDING parameter statistics to TRUE.

Answer: A

Explanation:

Statistics are collections of data that provide more details about the database and the

objects in it. Optimizer statistics are used by the query optimizer to choose the best

execution plan for each SQL statement. Database statistics provide information for

performance monitoring.

QUESTION NO:34

View the Exhibit and examine the privileges granted to the SL_REP user.

The EMP table is owned by the SCOTT user. The SL_REP user executes the following

command: SQL> GRANT SELECT ON scott.emp TO hr;

Which statement describes the outcome of the command?

A. The command executes successfully

B. The command produces an error because the EMP table is owned by SCOTT

C. The command produces an error because SL_REP has the GRANT ANY OBJECT

PRIVILEGE without ADMIN_OPTION

D. The command produces an error because SL_REP does not have the SELECT privilege

with

GRANT_OPTION on the EMP table

Answer: A

Explanation:

QUESTION NO:102

You are working on an instance started using the SPFILE. You want to move the Flash

Recovery Area of your database to a new location. You want the Flashback log files to be

stored in the new location. Given below are the steps to accomplish the task in random

order:

1) Shut down the instance.

2) Change the value of the DB_RECOVERY_FILE_DEST initialization parameter to a new

value.

3) Execute the ALTER DATABASE FLASHBACK OFF command.

4) Start up the instance and mount the database.

5) Execute the ALTER DATABASE FLASHBACK ON command.

6) Open the database.

Select the correct order in which these tasks need to be performed.

A. 2, 1, 4, 3, 5, 6

B. 1, 4, 3, 2, 6, 5

C. 1, 4, 2, 6, 3, 5

D. 3, 2, 1, 4, 5, 6

Answer: A

Explanation:

How to change Flash Recovery Area to a new location?

If you need to move the Flash Recovery Area of your database to a new location, invoke

SQL*Plus to change the DB_RECOVERY_FILE_DEST initialization parameter.

For example:

ALTER SYSTEM SET DB_RECOVERY_FILE_DEST=’ disk1′ SCOPE=BOTH SID=’*’;

After you change this parameter, all new Flash Recovery Area files will be created in the

new location.

The permanent files (control files and online redolog files), flashback logs and transient files

can be left in the old Flash Recovery Area location. The database will delete the transient

files from the old Flash Recovery Area location as they become eligible for deletion.

For the FLASHBACK logfiles to be able to to pick up the new ‘db_recovery_file_dest’

location, the flashback option needs to be toggled off and on.

This can be done like this:

-Shutdown the Database

-Startup mount the Database:

SQL> startup mount;

-Toggle the Flashback off:

SQL> alter database flashback off;

-Toggle the Flashback on:

SQL> alter database flashback on;

-Open the Database:

SQL> alter database open;

If you need to actually move your current permanent files, transient files, to the new Flash

Recovery Area, then follow the following steps:

1) To move the existing backupsets and archived redo log files, use the following

command:

RMAN> BACKUP AS COPY ARCHIVELOG ALL DELETE INPUT;

RMAN> BACKUP DEVICE TYPE DISK BACKUPSET ALL DELETE INPUT;

QUESTION NO:27

Which two statements correctly describe the relation between a data file and the logical

database structures? (Choose two)

A. An extent cannot spread across data files.

B. A segment cannot spread across data files.

C. A data file can belong to only one tablespace.

D. A data file can have only one segment created in it.

E. A data block can spread across multiple data files as it can consist of multiple operating

system (OS) blocks.

Answer: A,C

Explanation:

QUESTION NO:136

You are using flat files as the data source for one of your data warehousing applications.

To optimize the application performance, you plan to move the data from the flat files to

clustered tables in an Oracle database. While migrating the data, you want to have minimal

impact on the database performance and optimize the data load operation. Which method

would you use to load data into the Oracle database?

A. Use the external table population.

B. Use the Oracle Data Pump export and import utility.

C. Use the conventional path data load of the SQL*Loader utility.

D. Use the INSERT INTO…SELECT command to load the data.

Answer: C

Explanation:

QUESTION NO:30

Identify the two situations in which the alert log file is updated with details. (Choose two.)

A. Running a query on a table returns “ORA-600: Internal Error”

B. Inserting a value in a table returns “ORA-01722: Invalid Number”

C. Creating a table returns “ORA-00955: name is already used by an existing object’

D. Inserting a value in a table returns “ORA-00001: unique constraint (SYS.PK_TECHP)

violated.”

E. Rebuilding an index using ALTER INDEX … REBUILD fails with an error “ORA-01578:

ORACLE data block corrupted (file # 14, block @ 50).”

F. Rebuilding an index using ALTER INDEX …. REBUILD fails with an error “ORA-01578:

ORACLE data block corrupted (file #14, block #50).”

Answer: A,E

Explanation:

QUESTION NO:132

Which two statements are true regarding the SGA_TARGET initialization parameter?

(Choose two.)

A. It can be increased up to the value of the SGA_MAX_SIZE parameter.

B. Increasing the value of the SGA_TARGET parameter distributes the increased memory

among all the autotuned components.

C. Reducing the value of the SGA_TARGET parameter deallocates memory from both

autotuned and manually sized components.

D. Increasing the value of SGA_TARGET up to the value of SGA_MAX_SIZE disables the

automatic shared memory management feature.

Answer: A,B

Explanation:

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