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Oracle9i program with pl/sql Sample Questions:

1. Which three are true statements about dependent objects? (Choose three)

A) You can view whether an object is valid or invalid in the USER_STATUS data dictionary view.
B) An object with status of invalid cannot be a referenced object.
C) You can view whether an object is valid or invalid in the USER_OBJECTS data dictionary view.
D) The Oracle server automatically records dependencies among objects.
E) Invalid objects cannot be described.
F) All schema objects have a status that is recorded in the data dictionary.

2. You create a DML trigger. For the timing information, which are valid with a DML trigger?

A) DURING
B) IN PLACE OF
C) ON STATEMENT EXECUTION
D) ON SHUTDOWN
E) BEFORE

3. To be callable from a SQL expression, a user-defined function must do what?

A) Return a BOOLEAN or VARCHAR2 data type.
B) Be stored only in the database.
C) Use the positional notation for parameters.
D) Have both IN and OUT parameters.

4. Examine this procedure:
CREATE OR REPLACE PROCEDURE DELETE_PLAYER (V_ID IN NUMBER) IS BEGIN
DELETE FROM PLAYER
WHERE ID = V_ID;
EXCEPTION
WHEN STATS_EXITS_EXCEPTION
THEN DBMS_OUTPUT.PUT_LINE
('Cannot delete this player, child records exist in PLAYER_BAT_STAT table');
END;
What prevents this procedure from being created successfully?

A) The STATS_EXIST_EXCEPTION has not been declared as an exception.
B) A comma has been left after the STATS_EXIST_EXCEPTION exception.
C) The STATS_EXIST_EXCEPTION has not been declared as a number.
D) Only predefined exceptions are allowed in the EXCEPTION section.

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

Solutions: