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Oracle9i program with pl/sql Sample Questions:

1. A dependent procedure or function directly or indirectly references one or more of which four objects? (Choose four)

A) privilege
B) sequence
C) anonymous block
D) view
E) procedure
F) packaged procedure or function

2. You need to create a trigger on the EMP table that monitors every row that is changed and places this information into the AUDIT_TABLE.What type of trigger do you create?

A) Statement-level trigger on the EMP table.
B) FOR EACH ROW statement-level trigger on the EMPtable.
C) FOR EACH ROW trigger on the AUDIT_TABLE table.
D) FOR EACH ROW trigger on the EMP table.
E) Statement-level trigger on the AUDIT_TABLE table.

3. Examine this code CREATE OR REPLACE FUNCTION change_dept (p_old_id NUMBER, p_deptname VARCHAR2) RETURN NUMBER IS V_new_id NUMBER; BEGIN SELECT departments_seq.nextval INTO v_new_id FROM dual; UPDATE departments SET departmenet_id = v_new_id, Department_name = p_deptname WHERE department_id = p_old_id; Return v_new_id; END; /
There are no foreign key integrity constraints on the EMPLOYEES and DEPARTMENTS tables. Which statement performs a successful update to the EMPLOYEES table?

A) UPDATE employees
SET department_id = change_dept(10, 'Finance')
Where department_id = DEPARTMENTS:CURRVAL;
B) UPDATE departments
change_dept(270, 'Outsource')
Where department_name = 'payroll';
C) UPDATE departments
SET department_id = change_dept(10, 'Finance')
Where department_id = 10;
D) UPDATE employees
SET department_id = change_dept(10, 'Finance')
Where department_id = 10;

4. You want to create a PL/SQL block of code that calculates discounts on customer orders. -This code will be invoked from several places, but only within the program unit ORDERTOTAL. What is the most appropriate location to store the code that calculates the discounts?

A) A stored procedure on the server.
B) A local subprogram defined within the program unit ORDERTOTAL.
C) A block of code in a PL/SQL library.
D) A block of code in the body of the program unit ORDERTOTAL.
E) A standalone procedure on the client machine.

5. Which two program declarations are correct for a stored program unit? (Choose two)

A) CREATE OR REPLACE PROCEDURE tax_amt
(p_id NUMBER)
RETURN NUMBER
B) CREATE OR REPLACE PROCEDURE tax_amt
(p_id NUMBER, p_amount OUT NUMBER)
C) CREATE OR REPLACE PROCEDURE tax_amt
(p_id NUMBER, p_amount OUT NUMBER(10, 2))
D) CREATE OR REPLACE FUNCTION tax_amt
(p_id NUMBER)
RETURN NUMBER
E) CREATE OR REPLACE FUNCTION tax_amt
(p_id NUMBER)
RETURN NUMBER(10,2)

Solutions: