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Oracle 1Z0-147 Exam Syllabus Topics:

Oracle9i program with pl/sql Sample Questions:

1. Examine this code:
CREATE OR REPLACE PRODECURE add_dept (p_dept_name VARCHAR2 DEFAULT 'placeholder', p_location VARCHAR2 DEFAULT 'Boston')
IS BEGIN INSERT INTO departments VALUES (dept_id_seq.NEXTVAL, p_dept_name, p_location); END add_dept; /
Which three are valid calls to the add_dep procedure? (Choose three)

A) add_dept;
B) add_dept('Accounting');
C) add_dept(p_location=>'New York');
D) add_dept(, 'New York');

2. Examine this code:
CREATE OR REPLACE PACKAGE bonus
IS
g_max_bonus NUMBER := .99;
FUNCTION calc_bonus (p_emp_id NUMBER)
RETURN NUMBER;
FUNCTION calc_salary (p_emp_id NUMBER)
RETURN NUMBER;
END;
/
CREATE OR REPLACE PACKAGE BODY bonus
IS v_salary employees.salary%TYPE; v_bonus employees.commission_pct%TYPE; FUNCTION calc_bonus (p_emp_id NUMBER) RETURN NUMBER IS BEGIN SELECT salary, commission_pct INTO v_salary, v_bonus FROM employees WHERE employee_id = p_emp_id; RETURN v_bonus * v_salary; END calc_bonus FUNCTION calc_salary (p_emp_id NUMBER) RETURN NUMBER IS BEGIN SELECT salary, commission_pct INTO v_salary, v_bonus FROM employees WHERE employees RETURN v_bonus * v_salary + v_salary; END cacl_salary; END bonus; / Which statement is true?

A) You can call the BONUS.CALC_SALARY packaged function from a SELECT command against the EMPLOYEES table.
B) You can call the BONUS.CALC_SALARY packaged function from an INSERT command against the EMPLOYEES table.
C) You can call the BONUS.CALC_SALARY packaged function from an UPDATE command against the EMPLOYEES table.
D) You can call the BONUS.CALC_SALARY packaged function form a DELETE command against the EMPLOYEES table.

3. Examine this package:
CREATE OR REPLACE PACKAGE BB_PACK IS V_MAX_TEAM_SALARY NUMBER(12,2); PROCEDURE ADD_PLAYER(V_ID IN NUMBER, V_LAST_NAME VARCHAR2, V_SALARY NUMBER); END BB_PACK; / CREATE OR REPLACE PACKAGE BODY BB_PACK IS V_PLAYER_AVG NUMBER(4,3); PROCEDURE UPD_PLAYER_STAT V_ID IN NUMBER, V_AB IN NUMBER DEFAULT 4, V_HITS IN NUMBER) IS BEGIN UPDATE PLAYER_BAT_STAT SET AT_BATS = AT_BATS + V_AB, HITS = HITS + V_HITS WHERE PLAYER_ID = V_ID; COMMIT; VALIDATE_PLAYER_STAT(V_ID);
END UPD_PLAYER_STAT;
PROCEDURE ADD_PLAYER
(V_ID IN NUMBER, V_LAST_NAME VARCHAR2, V_SALARY NUMBER)
IS
BEGIN
INSERT INTO PLAYER(ID,LAST_NAME,SALARY)
VALUES (V_ID, V_LAST_NAME, V_SALARY);
UPD_PLAYER_STAT(V_ID,0,0);
END ADD_PLAYER;
END BB_PACK
/
Which statement will successfully assign .333 to the V_PLAYER_AVG variable from a procedure
outside the package?

A) V_PLAYER_AVG := .333;
B) This variable cannot be assigned a value from outside of the package.
C) BB_PACK.V_PLAYER_AVG := .333;
D) BB_PACK.UPD_PLAYER_STAT.V_PLAYER_AVG := .333;

4. Which statement is true about removing packages?

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

5. You need to disable all triggers on the EMPLOYEES table.Which command accomplishes this?

A) ALTER TRIGGERS ON TABLE employees DISABLE;
B) ALTER employees DISABLE ALL TRIGGERS;
C) None of these commands; you cannot disable multiple triggers on a table in one command.
D) ALTER TABLE employees DISABLE ALL TRIGGERS;

Solutions: