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Question 1:
View the Exhibit.
How do you reduce the chances of SQL injection for the procedure?
A. Execute the SQL statement in V_STMT as dynamic SQL.
B. Remove the default value for the arguments in the procedure.
C. Convert the condition in the WHERE clause to be accepted from the user and concatenated.
D. Convert the SELECT statement to static SQL, placing the value of P_EMAIL into a local variable.
Correct Answer: D
Question 2:
View the Exhibit and examine the structure of the EMPLOYEES table.
Examine the following PL/SQL block:
DECLARE
TYPE EmpList
IS VARRAY(2) OF employees.employee_id%TYPE NOT NULL;
v_employees EmpList := EmpList();
BEGIN
DBMS_OUTPUT.PUT_LINE(v_employees.COUNT);
v_employees.EXTEND;
v_employees(1) := 30;
END;
/
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
Question 3:
Examine the code:
Which two subprograms will be created successfully?
A. CREATE FUNCTION p4 (y pkg.tab_typ) RETURN pkg.tab_typ IS BEGIN EXECUTE IMMEDIATE ‘SELECT pdt_id, pdt_name FROM TABLE (:b)’ BULT COLLECT INTO pkg.x USING y; RETURN pkg.x; END p4;
B. CREATE PROCEDURE p1 (y IN OUT pkg.tab_typ) IS BEGIN EXECUTE IMMEDIATE ‘SELECT f (:b) FROM DUAL’ INTO y USING pkg.x; END p1;
C. CREATE PROCEDURE p2 (v IN OUT VARCHAR2) IS BEGIN EXECUTE IMMEDIATE ‘SELECT f (:b) FROM DUAL’ INTO v USING pkg.x; END p2;
D. CREATE FUNCTION p3 RETURN pkg. tab_typ IS BEGIN EXECUTE IMMEDIATE ‘SELECT f (:b) FROM DUAL’ INTO pkg.x; END p3;
E. CREATE PROCEDURE p5 (y pkg. rec_typ) IS BEGIN EXECUTE IMMEDIATE ‘SELECT pdt_name FROM TABLE (:b)’ BULK COLLECT INTO y USING pkg.x; END p5;
Correct Answer: AC
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