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Oracle 1Z0-147 Exam Syllabus Topics:

Oracle9i program with pl/sql Sample Questions:

Question 1

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

Question 2

Examine this package:
CREATE OR REPLACE PACKAGE manage_emps IS tax_rate CONSTANT NUMBER(5,2) := .28; v_id NUMBER; PROCEDURE insert_emp (p_deptno NUMBER, p_sal NUMBER); PROCEDURE delete_emp; PROCEDURE update_emp; FUNCTION calc_tax (p_sal NUMBER) RETURN NUMBER; END manage_emps; / CREATE OR REPLACE PACKAGE BODY manage_emps IS PROCEDURE update_sal (p_raise_amt NUMBER) IS BEGIN UPDATE emp SET sal = (sal * p_raise_emt) + sal WHERE empno = v_id; END; PROCEDURE insert_emp (p_deptno NUMBER, p_sal NUMBER) IS BEGIN INSERT INTO emp(empno, deptno, sal) VALYES(v_id, p_depntno, p_sal); END insert_emp; PROCEDURE delete_emp IS BEGIN DELETE FROM emp WHERE empno = v_id; END delete_emp; PROCEDURE update_emp IS v_sal NUMBER(10, 2); v_raise NUMBER(10, 2); BEGIN SELECT sal INTO v_sal FROM emp WHERE empno = v_id;
IF v_sal < 500 THEN
v_raise := .05;
ELSIP v_sal < 1000 THEN
v_raise := .07;
ELSE
v_raise := .04;
END IF;
update_sal(v_raise);
END update_emp;
FUNCTION calc_tax
(p_sal NUMBER)
RETURN NUMBER
IS
BEGIN
RETURN p_sal * tax_rate;
END calc_tax;
END manage_emps;
/
What is the name of the private procedure in this package?

A. UPDATE_SAL
B. INSERT_EMP
C. UPDATE_EMP
D. CALC_TAX
E. MANAGE_EMPS
F. DELETE_EMP

Question 3

The add_player procedure inserts rows into the PLAYER table. Which command will show this directory dependency?

A. SELECT * FROM USER DEPENDENCIES WHERE REFERENCED_NAME = 'ADD_PLAYER';
B. SELECT * FROM USER_DEPENDENCIES WHERE REFERENCED_NAME = 'PLAYER';
C. SELECT * FROM USER DEPENDENCIES WHERE REFERENCED_NAME = 'TABLE';
D. SELECT * FROM USER_DEPENDENCIES WHERE TYPE = 'DIR';

Question 4

Which statement is true about removing packages?

A. Removing a package specification removes the body too
B. Removing the package body removes the specification too
C. Removing a package specification removes all stand alone stored functions named in the specification
D. You must remove the package body first
E. You must remove both the package body and the specification separately

Question 5

Examine the code examples. Which one is correct?

A. CREATE OR REPLACE TRIGGER authorize_action BEFORE INSERT ON EMPLOYEES CALL log_execution; /
B. CREATE OR REPLACE TRIGGER authorize_action CALL log_execution BEFORE INSERT ON EMPLOYEES; /
C. CREATE OR REPLACE TRIGGER authorize_action BEFORE EMPLOYEES INSERT CALL log_execution;
D. CREATE OR REPLACE TRIGGER authorize_action BEFORE EMPLOYEES INSERT CALL log_execution;

Solutions: