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

2. You need to remove the database triggerBUSINESS_HOUR.Which command do you use to remove the trigger in the SQL *Plus environment?

A) DELETE FROM USER_TRIGGERS
WHERE TRIGGER_NAME = 'BUSINESS_HOUR';
B) DROP TRIGGER business_hour;
C) REMOVE TRIGGER business_hour;
D) DELETE TRIGGER business_hour;
E) ALTER TRIGGER business_hour REMOVE;

3. You want to create procedures, functions and packages Which privilege do you need?

A) CREATE FUNCTION, CREATE PROCEDURE, CREATE PACKAGE system privileges
B) CREATE ANY CODE object privilege
C) CREATE PACKAGE system privilege
D) EXECUTE CODE object privilege
E) CREATE PROCEDURE system privilege

4. 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 NUMBER84,3);
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 NUMBERI)
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;
If you add an IF statement to the ADD_PLAYER procedure which additional step must you
perform?
r A Recompile the ADD PLAYER procedure
Recompile both the BB PACK specification and body

A) Recompile the ADD_PLAYER procedure
B) Recompile the BB_PACK specification
C) Recompile both the BB_PACK specification and body
D) Recompile the BB_PACK body

5. You have an AFTER UPDATE row-level on the table EMP. The trigger queries the EMP table and inserts the updating user's information into the AUDIT_TABLE.
What happens when the user updates rows on the EMP table?

A) A compile time error occurs.
B) The trigger fires successfully. The update on the EMP table occurs, and data is inserted into theAUDIT_TABLE table.
C) A runtime error occurs. The update on the EMP table does not take place, but the insert into the AUDIT_TABLE occurs.
D) A runtime error occurs. The effect of trigger body and the triggering statement are rolled back.
E) A runtime error occurs. The effect of trigger body is rolled back, but the update on the EMP table takes place.

Solutions: