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Oracle 1Z0-147 Exam Syllabus Topics:

Oracle9i program with pl/sql Sample Questions:

1. Why do you use an INSTEAD OF trigger?

A) To modify data in which the DML statement has been issued against an inherently nonupdateable view.
B) To perform clean up actions when ending a user session.
C) To insert into an audit table when data is updated in a sensitive column.
D) To insert data into a view that normally does not accept inserts.

2. Local procedure A calls remote procedure B.
Procedure B was compiled at 8 A.M.
Procedure A was modified and recompiled at 9 A.M. Remote procedure B was later modified and recompiled at 11 A.M.
The dependency mode is set to TIMESTAMP.
What happens when procedure A is invoked at 1 P.M?

A) Procedure B is invalidated and recompiles when invoked.
B) Procedure A is invalidated and recompiles for the first time it is invoked.
C) Procedure A is invalidated and recompiles for the second time it is invoked.
D) There is no affect on procedure A and it runs successfully.

3. 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.

4. Examine this code:
CREATE OR REPLACE PACKAGE metric_converter
IS
c_height CONSTRAINT NUMBER := 2.54;
c_weight CONSTRAINT NUMBER := .454;
FUNCTION calc_height (p_height_in_inches NUMBER)
RETURN NUMBER;
FUNCTION calc_weight (p_weight_in_pounds NUMBER)
RETURN NUMBER;
END;
/
CREATE OR REPLACE PACKAGE BODY metric_converter
IS
FUNCTION calc_height (p_height_in_inches NUMBER)
RETURN NUMBER
IS
BEGIN
RETURN p_height_in_inches * c_height;
END calc_height;
FUNCTION calc_weight (p_weight_in_pounds NUMBER)
RETURN NUMBER
IS
BEGIN
RETURN p_weight_in_pounds * c_weight
END calc_weight
END metric_converter;
/
CREATE OR REPLACE FUNCTION calc_height (p_height_in_inches NUMBER)
RETURN NUMBER
IS
BEGIN
RETURN p_height_in_inches * metric_converter.c_height;
END calc_height;
/
Which statement is true?

A) If you remove the package specification, then the package body and the stand alone stored function CALC_HEIGHT are removed.
B) If you remove the package specification, then the package body is removed.
C) If you remove the package body, then the package specification and the stand alone stored function CALC_HEIGHT are removed.
D) The stand alone function CALC_HEIGHT cannot be created because its name is used in a packaged function.
E) If you remove the stand alone stored function CALC_HEIGHT, then the METRIC_CONVERTER package body and the package specification are removed.
F) If you remove the package body, then the package specification is removed.

5. Examine this procedure:
CREATE OR REPLACE PROCEDURE ADD_PLAYER
(V_ID IN NUMBER, V_LAST_NAME VARCHAR2)
IS
BEGIN
INSERT INTO PLAYER (ID,LAST_NAME)
VALUES (V_ID, V_LAST_NAME);
COMMIT;
END;
This procedure must invoke the APD_BAT_STAT procedure and pass a parameter.
Which statement, when added to the above procedure will successfully invoke the
UPD_BAT_STAT procedure?

A) EXECUTE UPD_BAT_STAT(V_ID);
B) START UPD_BAT_STAT(V_ID);
C) RUN UPD_BAT_STAT(V_ID);
D) UPD_BAT_STAT(V_ID);

Solutions: