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Oracle9i program with pl/sql Sample Questions:

1. Examine this function:
CREATE OR REPLACE FUNCTION CALC_PLAYER_AVG (V_ID in PLAYER_BAT_STAT.PLAYER_ID%TYPE) RETURN NUMBER IS V_AVG NUMBER; BEGIN SELECT HITS / AT_BATS INTO V_AVG FROM PLAYER_BAT_STAT WHERE PLAYER_ID = V_ID; RETURN (V_AVG); END; Which statement will successfully invoke this function in SQL *Plus?

A) EXECUTE CALC_PLAYER_AVG(31);
B) CALC_PLAYER('RUTH');
C) START CALC_PLAYER_AVG(31)
D) SELECT CALC_PLAYER_AVG(PLAYER_ID) FROM PLAYER_BAT_STAT;
E) CALC_PLAYER_AVG(31);

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

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

3. 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) ALTER TRIGGER business_hour REMOVE;
E) DELETE TRIGGER business_hour;

4. Which statement is true about removing packages?

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

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

Solutions: