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2021 Jun 1Z0-052 vce
Q41. 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.
Q42. Which two statements are true about Shared SQL Area and Private SQL Area? (Choose two.)
A. Shared SQL Area will be allocated in the shared pool
B. Shared SQL Area will be allocated when a session starts
C. Shared SQL Area will be allocated in the large pool always
D. The whole of Private SQL Area will be allocated in the Program Global Area (PGA) always
E. Shared SQL Area and Private SQL Area will be allocated in the PGA or large pool
F. The number of Private SQL Area allocations is dependent on the OPEN_CURSORS parameter
Q43. Your database is configured in shared server mode. However, your senior DBA asks you to modify the value of the PRIVATE_SGA limit in the profile of the users.
What could be the reason for this?
A. To limit the User Global Area (UGA) memory allocated to a session from the SGA
B. To limit the amount of memory to be used for the dispatcher queue of a session in SGA
C. To limit the amount of memory to be used for the request pool in System Global Area (SGA)
D. To control the amount of memory allocated in SGA for the local variables for each shared server process
Q44. Examine the following statement that is used to modify the primary key constraint on the SALES table:
SQL> ALTER TABLE SALES MODIFY CONSTRAINT pk DISABLE VALIDATE;
Which three statements are true regarding the above command? (Choose three.)
A. The constraint remains valid.
B. The index on the constraint is dropped.
C. It allows the loading of data into the table using SQL *Loader.
D. New data conforms to the constraint, but existing data is not checked.
E. It allows the data manipulation on the table using INSERT/UPDATE/DELETE SQL statements.
Q45. View the Exhibit and examine the PL/SQL package and procedure. You made changes to the COMPUTE_TAX function inside the EMP_ADMIN package body. Which statement is true after you recompile the EMP_ADMIN package body?
A. The USE_P procedure remains valid.
B. The USE_P procedure becomes invalid.
C. The SHOW_DETAIL procedure becomes invalid.
D. The EMP_ADMIN package specification becomes invalid and needs to be recompiled.
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Q46. Which three descriptions are correct about the effects of the TRUNCATE command on a table?
A. The corresponding indexes for the table are also truncated.
B. Delete triggers on the table are fired during the execution of the TRUNCATE command.
C. The child table is truncated when the TRUNCATE command is applied on the parent table.
D. The highwater mark (HWM) is set to point to the first usable data block in the table segment.
E. No undo or very little undo data is generated during the execution of the TRUNCATE command.
Q47. You are in the middle of a transaction updating a very important table. The machine on which a database was running reboots because of power outage. This caused a database instance failure.
Which statement is true in this situation?
A. The online redo log files and archived redo log files are required to accomplish the recovery
B. The uncommitted transaction will be committed at the next startup of the database instance
C. The uncommitted transaction is rolled back automatically at the next opening of the database
D. The DBA has to perform the recovery on the database to recover the uncommitted transaction
Q48. In your database, the current status of a PL/SQL procedure has become INVALID. Which action would fix the problem and make the PL/SQL procedure usable?
A. Recompile the PL/SQL procedure.
B. Modify the procedure to run with a definer's right.
C. Modify the procedure to run with an invoker's right.
D. Grant the EXECUTE privilege on the PL/SQL procedure to PUBLIC.
Q49. A database user SMITH tries to query the V$SESSION view and fails to access it as follows:
Which are the two possible solutions to enable SMITH to query the data in V$SESSION? (Choose two.)
A. granting SELECT privilege to SMITH on V$SESSION
B. granting SELECT privilege to SMITH on V_$SESSION
C. asking the user SMITH to run the catalog.sql script
D. granting SELECT privilege to SMITH on V$FIXED_TABLES
E. setting the O7_DICTIONARY_ACCESSIBILITY parameter to TRUE
F. creating a view based on V$SESSION and granting SELECT privilege to SMITH on the view that was created
Q50. You plan to implement the distributed database system in your company. You invoke Database Configuration Assistant (DBCA) to create a database on the server. During the installation, DBCA prompts you to specify the Global Database Name.
What must this name be made up of?
A. It must be made up of a database name and a domain name.
B. It must be made up of the value in ORACLE_SID and HOSTNAME.
C. It must be made up of the value that you plan to assign for INSTANCE_NAME and HOSTNAME.
D. It must be made up of the value that you plan to assign for ORACLE_SID and SERVICE_NAMES.