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Oracle 1Z0-147 Exam Syllabus Topics:

Oracle9i program with pl/sql Sample Questions:

1. 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;
/
How many public procedures are in the MANAGE_EMPS package?

A) Four
B) Five
C) Two
D) Three
E) One

2. Which two programming constructs can be grouped within a package? (Choose two)

A) Trigger
B) View
C) Constant
D) Sequence
E) Cursor

3. Which type of argument passes a value from a procedure to the calling environment?

A) IN
B) OUT
C) VARCHAR2
D) BOOLEAN

4. When creating a function, in which section will you typically find the RETURN keyword?

A) EXECUTABLE and HEADER
B) DECLARATIVE,EXECUTABLE and EXCEPTION HANDLING
C) HEADER only
D) DECLARATIVE

5. The add_player, upd_player_stat, and upd_pitcher_stat procedures are grouped together in a package. A variable must be shared among only these procedures.
Where should you declare this variable?

A) In a database trigger.
B) In the package body.
C) In the package specification.
D) In each procedure's DECLARE section, using the exact same name in each.

Solutions: