Question NO 10
Which two statements describe actions developers can take to make their application lessvvulnerable to security attacks?
A. Include the AUTHID DEFINER clause in stored program units.
B. Do not concatenate unchecked user input into dynamically constructed SQL statements.
C. Switch from using DBMS_SQL to EXECUTE IMMEDIATE.
D. Include the AUTHID CURRENT_USER clause in stored program units.
E. Increase the amount of code that is accessible to users by default.
Answer: B,D
Monday, 25 June 2018
Tuesday, 19 June 2018
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Question NO : 9
Which two statements describe actions developers can take to make their application less vulnerable to security attacks?
A. Include the AUTHID DEFINER clause in stored program units.
B. Do not concatenate unchecked user input into dynamically constructed SQL statements.
C. Switch from using DBMS_SQL to EXECUTE IMMEDIATE.
D. Include the AUTHID CURRENT_USER clause in stored program units.
E. Increase the amount of code that is accessible to users by default.
Answer: B,D
Which two statements describe actions developers can take to make their application less vulnerable to security attacks?
A. Include the AUTHID DEFINER clause in stored program units.
B. Do not concatenate unchecked user input into dynamically constructed SQL statements.
C. Switch from using DBMS_SQL to EXECUTE IMMEDIATE.
D. Include the AUTHID CURRENT_USER clause in stored program units.
E. Increase the amount of code that is accessible to users by default.
Answer: B,D
Friday, 20 April 2018
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Question No : 8
A products TABLE exists with a PROD_ID column. Examine this PL/SQL block
Which statement is true?
A. It executes successfully only if v_ref_cur := DBMS_SQL.TO_REFCURSOR (V_CUR); is added before the FETCH statement.
B. It executes successfully.
C. It executes successfully only if v_ref_cur: = DBMS_SQL.TO_CURSOR_NUMBER (v_cur); is added before the FETCH statement.
D. It executes successfully only if the FETCH statement is replaced by DBMS_SQL.RETURN_RESULT (v_ref_cur);
E. It executes successfully only if the FETCH statement is replaced by DBMS_SQL.FETCH_ROWS (v_cur);
Answer: C,D
A products TABLE exists with a PROD_ID column. Examine this PL/SQL block
A. It executes successfully only if v_ref_cur := DBMS_SQL.TO_REFCURSOR (V_CUR); is added before the FETCH statement.
B. It executes successfully.
C. It executes successfully only if v_ref_cur: = DBMS_SQL.TO_CURSOR_NUMBER (v_cur); is added before the FETCH statement.
D. It executes successfully only if the FETCH statement is replaced by DBMS_SQL.RETURN_RESULT (v_ref_cur);
E. It executes successfully only if the FETCH statement is replaced by DBMS_SQL.FETCH_ROWS (v_cur);
Answer: C,D
Wednesday, 18 April 2018
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Question No : 7
Examine this PL/SQL function:
What happens when the function is created with PLSQL_WARNINGS set to ‘ENABLE:ALL’?
A. There are no compilation warnings or errors.
B. It fails compilation.
C. An information compilation warning is generated.
D. A performance compilation warning is generated.
E. A severe compilation warning is generated.
Answer: E
Examine this PL/SQL function:
A. There are no compilation warnings or errors.
B. It fails compilation.
C. An information compilation warning is generated.
D. A performance compilation warning is generated.
E. A severe compilation warning is generated.
Answer: E
Monday, 5 March 2018
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Question No : 6
Examine the section of code taken from a PL/SQL program:
PLSQL_OPTIMIZE_LEVEL PARAMETER is set to 3.Which two statements are true?
A. Calls to TESTPROC will always be inlined as it is compiled with PLSQL_OPTIMIZE_LEVEL=3.
B. Calls to TESTPROC are never inlined in both lines commented as Call1 and Call 2.
C. Calls to TESTPROC are not inlined in the line commented as Call 1.
D. Calls to TESTPROC are inlined in both lines commented as Call 1 and Call 2.
E. Calls to TESTPROC might be inlined in the line commented as Call 2.
Answer: A,E
Examine the section of code taken from a PL/SQL program:
PLSQL_OPTIMIZE_LEVEL PARAMETER is set to 3.Which two statements are true?
A. Calls to TESTPROC will always be inlined as it is compiled with PLSQL_OPTIMIZE_LEVEL=3.
B. Calls to TESTPROC are never inlined in both lines commented as Call1 and Call 2.
C. Calls to TESTPROC are not inlined in the line commented as Call 1.
D. Calls to TESTPROC are inlined in both lines commented as Call 1 and Call 2.
E. Calls to TESTPROC might be inlined in the line commented as Call 2.
Answer: A,E
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Question No : 5
Refer to the Exhibit.
PL/SQL tracing in enabled in a user session using this command: EXEC DBMS_TRACE.SET_PLSQL_TRACE (DBMS_TRACE.TRACE_ENABLED_LINES)
The procedure is executed using this command: EXEC PRC_1 Examine the exhibit for the content of the PLSQL_TRACE_EVENTS table. Why is tracing excluded from the PLSQL_TRACE_EVENTS
table?
A. DBMS_TRACE.TRACE_ENABLED_LINES traces only exceptions in subprograms.
B. PRC_1 is not compiled with debugging information.
C. Tracing is not enabled with the TRACE_ENABLED_CALLS option.
D. PRC_1 is compiled with the default AUTHID DEFINER clause.
E. Tracing will be enabled only for the second execution of PRC_1.
Answer: B,E
Refer to the Exhibit.
The procedure is executed using this command: EXEC PRC_1 Examine the exhibit for the content of the PLSQL_TRACE_EVENTS table. Why is tracing excluded from the PLSQL_TRACE_EVENTS
table?
A. DBMS_TRACE.TRACE_ENABLED_LINES traces only exceptions in subprograms.
B. PRC_1 is not compiled with debugging information.
C. Tracing is not enabled with the TRACE_ENABLED_CALLS option.
D. PRC_1 is compiled with the default AUTHID DEFINER clause.
E. Tracing will be enabled only for the second execution of PRC_1.
Answer: B,E
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Question No : 4
A products TABLE exists with a PROD_ID column. Examine this PL/SQL block:
Which statement is true?
A. It executes successfully only if v_ref_cur := DBMS_SQL.TO_REFCURSOR (V_CUR); is added before the FETCH statement.
B. It executes successfully.
C. It executes successfully only if v_ref_cur: = DBMS_SQL.TO_CURSOR_NUMBER (v_cur); is added before the FETCH statement.
D. It executes successfully only if the FETCH statement is replaced by DBMS_SQL.RETURN_RESULT (v_ref_cur);
E. It executes successfully only if the FETCH statement is replaced by DBMS_SQL.FETCH_ROWS (v_cur);
Answer: C,D
A products TABLE exists with a PROD_ID column. Examine this PL/SQL block:
Which statement is true?
A. It executes successfully only if v_ref_cur := DBMS_SQL.TO_REFCURSOR (V_CUR); is added before the FETCH statement.
B. It executes successfully.
C. It executes successfully only if v_ref_cur: = DBMS_SQL.TO_CURSOR_NUMBER (v_cur); is added before the FETCH statement.
D. It executes successfully only if the FETCH statement is replaced by DBMS_SQL.RETURN_RESULT (v_ref_cur);
E. It executes successfully only if the FETCH statement is replaced by DBMS_SQL.FETCH_ROWS (v_cur);
Answer: C,D
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Question No : 3
Which two PL/SQL blocks give the output “this is a test message”?
A. BEGINDBMS_OUTPUT.PUT_LINE (DBMS_ASSERT.ENQUOTE_NAME (‘this is a test message’, TRUE));END;
B. BEGINDBMS_OUTPUT.PUT_LINE (DBMS_ASSERT.ENQUOTE_NAME (‘this is a “ “test” ” message’, TRUE));END;
C. BEGINDBMS_OUTPUT.PUT_LINE (DBMS_ASSERT.ENQUOTE_NAME (‘ “this is a
“test” message” ’, TRUE));END;
D. BEGINDBMS_OUTPUT.PUT_LINE (DBMS_ASSERT.ENQUOTE_NAME (‘ “this is a test message” ’, TRUE));END;
E. BEGINDBMS_OUTPUT.PUT_LINE (DBMS_ASSERT.ENQUOTE_NAME (‘this is a test message ’, FALSE));END;
Answer: A,C
Which two PL/SQL blocks give the output “this is a test message”?
A. BEGINDBMS_OUTPUT.PUT_LINE (DBMS_ASSERT.ENQUOTE_NAME (‘this is a test message’, TRUE));END;
B. BEGINDBMS_OUTPUT.PUT_LINE (DBMS_ASSERT.ENQUOTE_NAME (‘this is a “ “test” ” message’, TRUE));END;
C. BEGINDBMS_OUTPUT.PUT_LINE (DBMS_ASSERT.ENQUOTE_NAME (‘ “this is a
“test” message” ’, TRUE));END;
D. BEGINDBMS_OUTPUT.PUT_LINE (DBMS_ASSERT.ENQUOTE_NAME (‘ “this is a test message” ’, TRUE));END;
E. BEGINDBMS_OUTPUT.PUT_LINE (DBMS_ASSERT.ENQUOTE_NAME (‘this is a test message ’, FALSE));END;
Answer: A,C
Monday, 8 January 2018
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Question NO : 2
Examine this function header:
FUNCTION calc_new_sal (emp_id NUMBER) RETURN NUMBER;
You want to ensure that whenever this PL/SQL function is invoked with the same
parameter value across active sessions, the result is not recomputed.
If a DML statement is modifying a table which this function depends upon, the function
result must be recomputed at that point in time for all sessions calling this function.
Which two actions should you perform?
A. Ensure RESULT_CACHE_MAX_SIZE is greater than 0.
B. Enable the result cache by using DBMS_RESULT_CACHE.BYPASS (FALSE).
C. Add the deterministic clause to the function definition.
D. Add the RELIES_ON clause to the function definition.
E. Add the RESULT_CACHE clause to the function definition.
Answer: A,C
Examine this function header:
FUNCTION calc_new_sal (emp_id NUMBER) RETURN NUMBER;
You want to ensure that whenever this PL/SQL function is invoked with the same
parameter value across active sessions, the result is not recomputed.
If a DML statement is modifying a table which this function depends upon, the function
result must be recomputed at that point in time for all sessions calling this function.
Which two actions should you perform?
A. Ensure RESULT_CACHE_MAX_SIZE is greater than 0.
B. Enable the result cache by using DBMS_RESULT_CACHE.BYPASS (FALSE).
C. Add the deterministic clause to the function definition.
D. Add the RELIES_ON clause to the function definition.
E. Add the RESULT_CACHE clause to the function definition.
Answer: A,C
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Question No 1
Examine the following SQL statement:
ALTER SESSION SET PLSQL_OPTIMIZE_LEVEL=3;
What is the result of executing this statements?
A. The PL/SQL optimize level for some existing PL/SQL units will be changed as animmediate result.
B. The PL/SQL optimize level for subsequently complied PL/SQL units will be set to 3 and inlining will be enabled.
C. The PL/SQL optimize level for subsequently compiled PL/SQL units will be set to 3 and inlining will be disabled.
D. This statement will fail because PLSQL_OPTIMIZE_LEVEL can only be set at the system level,
Answer: C
Examine the following SQL statement:
ALTER SESSION SET PLSQL_OPTIMIZE_LEVEL=3;
What is the result of executing this statements?
A. The PL/SQL optimize level for some existing PL/SQL units will be changed as animmediate result.
B. The PL/SQL optimize level for subsequently complied PL/SQL units will be set to 3 and inlining will be enabled.
C. The PL/SQL optimize level for subsequently compiled PL/SQL units will be set to 3 and inlining will be disabled.
D. This statement will fail because PLSQL_OPTIMIZE_LEVEL can only be set at the system level,
Answer: C
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Question No 1
Which three statements are correct with reference to intra unit inlining?
A. Inlining will always decrease the size of a unit.
B. Setting PLSQL_OPTIMIZE_LEVEL to 2 means automatic inlining is attempted.
C. You cannot inline an external subroutine.
D. Programs that make use of smaller helper subroutines are good candidates for inlining.
E. Pragmas apply only to calls in the next statement following the pragma.
F. You cannot inline local subroutines.
Answer: C,D,E
Which three statements are correct with reference to intra unit inlining?
A. Inlining will always decrease the size of a unit.
B. Setting PLSQL_OPTIMIZE_LEVEL to 2 means automatic inlining is attempted.
C. You cannot inline an external subroutine.
D. Programs that make use of smaller helper subroutines are good candidates for inlining.
E. Pragmas apply only to calls in the next statement following the pragma.
F. You cannot inline local subroutines.
Answer: C,D,E
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Question No 2
You are designing and developing a complex database application and implementing finegrained
access control using security policies.Which statement is true with respect to attaching security policies to database objects?
A.You can use different security policies for SELECT, INSERT, UPDATE, INDEX and DELETE statements.
B. You can use only one security policy per database object.
C. You implement security policies through database procedures.
D. Column-masking policies can be applied to SELECT, INSERT, UPDATE and DELETE statements.
Answer: D
You are designing and developing a complex database application and implementing finegrained
access control using security policies.Which statement is true with respect to attaching security policies to database objects?
A.You can use different security policies for SELECT, INSERT, UPDATE, INDEX and DELETE statements.
B. You can use only one security policy per database object.
C. You implement security policies through database procedures.
D. Column-masking policies can be applied to SELECT, INSERT, UPDATE and DELETE statements.
Answer: D
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Question No 1
Which two statements describe actions developers can take to make their application less
vulnerable to security attacks?
A. Include the AUTHID DEFINER clause in stored program units.
B. Do not concatenate unchecked user input into dynamically constructed SQL statements.
C. Switch from using DBMS_SQL to EXECUTE IMMEDIATE.
D. Include the AUTHID CURRENT_USER clause in stored program units.
E. Increase the amount of code that is accessible to users by default.
Answer: B,D
Which two statements describe actions developers can take to make their application less
vulnerable to security attacks?
A. Include the AUTHID DEFINER clause in stored program units.
B. Do not concatenate unchecked user input into dynamically constructed SQL statements.
C. Switch from using DBMS_SQL to EXECUTE IMMEDIATE.
D. Include the AUTHID CURRENT_USER clause in stored program units.
E. Increase the amount of code that is accessible to users by default.
Answer: B,D
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