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Identify the two types of PL/SQL programs for which you consider setting the compilation method to native mode. (Choose two.)
A. PL/SQL programs that are still in the debugging phase of development
B. PL/SQL programs that have computation-intensive procedural operations
C. A PL/SQL program, which is called with the same parameters by multiple sessions
D. PL/SQL programs that spend most of their execution time in executing SQL statements
Correct Answer: BC
View Exhibit1 and examine the structure of the EMPLOYEES and DEPARTMENTS tables existing in your schema.
View Exhibit2 and examine the PL/SQL block that you execute to display the department- wise incremented salary for all the departments in your company.
The code generates an error on execution.
What correction should be done to ensure the code executes successfully?
A. The cursor variable parameter should be passed in IN OUT mode.
B. The cursor variable should be defined as a strong REF CURSOR type.
C. The cursor variable name passed as actual and formal parameters should be identical.
D. The %NOTFOUND cursor attribute cannot be used with the cursor variables and should be replaced with a user defined exception.
Correct Answer: A
Which two statements are true about the extproc process? (Choose two.)
A. It loads the dynamic library.
B. It is started by the server process.
C. It converts the C output back to PL/SQL.
D. A single extproc process serves all user sessions.
Correct Answer: AC
Which two statements are true about SecureFile LOB options? (Choose two.)
A. The COMPRESSION HIGH option can be enabled only for CLOBs.
B. The COMPRESSION HIGH option can be enabled for all internal LOBs.
C. The DECRYPT option can be used to remove encryption only if the LOB column is empty.
D. The DECRYPT option can be used to remove encryption from LOB columns that are empty or contain data.
Correct Answer: BD
Which guidelines should be considered when designing and using cursors in a PL/SQL block? ? (Choose all that apply.)
A. When fetching from a cursor, fetch into a record.
B. Use parameters with cursors so that the result set for the cursor is not tied to a specific variable in a program.
C. Use the %NOTFOUND attribute in combination with the SELECT INTO statement to check for non existent values.
D. Whenever possible, explicitly declare the cursor and use the OPEN, FETCH and CLOSE statements to manipulate the cursor instead of using cursor FOR loop.
E. When using data manipulation language statements, (DML) reference a SQL cursor attribute immediately after the DML statement executes in the same block.
Correct Answer: ABE
View the Exhibit and examine the structure of the EMPLOYEES table.
Examine the following PL/SQL block:
IS VARRAY(2) OF employees.employee_id%TYPE NOT NULL;
v_employees EmpList := EmpList();
v_employees(1) := 30;
Which statement is true about the outcome on executing the above PL/SQL block?
A. It executes successfully and displays the value 2.
B. It executes successfully and displays the value 0.
C. It generates an error because EXTEND cannot be used for varrays.
D. It generates an error because the declaration of the varray is not valid.
Correct Answer: B
Which three actions can be performed by using the DBMS_ASSERT package to prevent SQL injection? (Choose three.)
A. Detect a wrong user.
B. Check input string length.
C. Verify qualified SQL names.
D. Validate TNS connect strings.
E. Verify an existing schema name.
F. Enclose string literals within double quotation marks.
Correct Answer: CEF
Examine the incomplete code:
Which three lines of code must be added for it to successfully compile?
A. curid := DBMS_SQL.TO_CURSOR_NUMBER (src_cur);
B. src_cur := DBMS_SQL.TO_REFCURSOR (curid);
C. src_cur= NUMBER;
D. curid NUMBER;
E. curid SYS_FEFCURSOR;
F. src_cur SYS_REFCURSOR;
Correct Answer: BCF
Which tablespace is used to store the data collected by PL/Scope?
Correct Answer: B
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