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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 pack_cur
IS
CURSOR c1 IS
SELECT prodid
FROM product
ORDER BY prodid DESC;
PROCEDURE proc1;
PROCEDURE proc2;
END pack_cur;
/
CREATE OR REPLACE PACKAGE BODY pack_cur
IS
v_prodif NUMBER;
PROCEDURE proc1 IS
BEGIN
OPEN c1;
LOOP
FETCH c1 INTO v_prodid;
DBMS_OUTPUT.PUT_LINE('Row is: ' || c1%ROWCOUNT);
EXIT WHEN c1%ROWCOUNT >= 3;
END LOOP;
END proc1;
PROCEDURE proc2 IS
BEGIN
LOOP
FETCH c1 INTO v_prodid;
DBMS_OUTPUT.PUT_LINE('Row is: ' ||c1%ROWCOUNT);
EXIT WHEN c1%ROWCOUNT >= 6;
END LOOP;
CLOSE c1;
END proc2;
END pack_cur;
/
The product table has more than 1000 rows. The SQL*Plus SERVEROUTPUT setting is turned on
in your session.
You execute the procedure PROC1 from SQL *Plus with the command:
EXECUTE pack_cur.PROC1;
You then execute the procedure PROC2 from SQL *Plus with the command:
EXECUTE pack_cur.PROC2;
What is the output in your session from the PROC2 procedure?

A) Row is: Row is: Rows is:
B) Row is: 4 Row is: 5 Row is: 6
C) ERROR at line 1:
D) Row is: 1 Row is: 2 Row is: 3

2. Which code successfully calculates tax?

A) CREATE OR REPLACE FUNCTION calctax (p_no NUMBER)
RETURN NUMBER IS
v_sal NUMBER;
BEGIN
SELECT sal INTO v_sal
FROM emp
WHERE empno = p_no;
RETURN (v_sal * 0.05);
END;
B) CREATE OR REPLACE PROCEDURE calctax (p_no IN NUMBER)
RETURN tax IS
v_sal NUMBER;
tax Number;
BEGIN
SELECT sal INTO v_sal
FROM emp
WHERE empno = p_no;
tax := v_sal * 0.05;
END;
C) CREATE OR REPLACE FUNCTION calctax (p_no NUMBER) IS
v_sal NUMBER;
tax NUMBER;
BEGIN
SELECT sal INTO v_sal
FROM emp
WHERE empno = p_no;
tax := v_sal * 0.05;
RETURN (tax);
END;
D) CREATE OR REPLACE FUNCTION calctax (p_no NUMBER)
RETURN NUMBER IS
v_sal NUMBER;
tax NUMBER;
BEGIN SELECT sal INTO v_sal FROM emp WHERE empno = p_no; tax := v_sal * 0.05; END

3. Examine this procedure:
CREATE OR REPLACE PROCEDURE INSERT_TEAM
(V_ID in NUMBER, V_CITY in VARCHAR2 DEFAULT 'AUSTIN', V_NAME in VARCHAR2)
IS
BEGIN
INSERT INTO TEAM (id, city, name)
VALUES (v_id, v_city, v_name);
COMMIT;
END
Which two statements will successfully invoke this procedure in SQL *Plus? (Choose two)

A) EXECUTE INSERT_TEAM;
B) EXECUTE INSERT_TEAM(3, 'AUSTIN','LONGHORNS');
C) EXECUTE INSERT_TEAM (3, 'LONGHORNS');
D) EXECUTE INSERT_TEAM(3, V_NAME=>'LONGHORNS', V_CITY=>'AUSTIN');
E) EXECUTE INSERT_TEAM (V_ID := V_NAME := 'LONGHORNS', V_CITY := 'AUSTIN');

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

5. Which two does the INSTEAD OF clause in a trigger identify? (Choose two)

A) The view associated with the trigger.
B) The statement level or for each row association to the trigger.
C) The event associated with the trigger.
D) The table associated with the trigger.
E) The package associated with the trigger.

Solutions: