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

2. Examine this package
CREATE OR REPLACE PACKAGE discounts
IS
g_id NUMBER := 7839;
discount _rate NUMBER := 0.00;
PROCEDURE display_price (p_price NUMBER);
END discounts;
/
CREATE OR REPLACE PACKAGE BODY discounts
IS
PROCEDURE display_price (p_price NUMBERI)
IS
BEGIN
DBMS_OUTPUT.PUT LINE ( 'Discounted '||
TO_CHAR(p_price*NVL(dlscount_rate, 1)));
END display_price;
BEGIN
Discount_rate = 0.10;
END discounts;
/
The SQL*Plus SERVEROUTPUT setting is turned on in your session. You execute the procedure
DISPLAY_PRICE from SQL*Plus with the command EXECUTE discounts. display_price (100);
What is the result?

A) Discounted 100
B) Discounted NULL
C) Discounted 10
D) Discounted 0.10
E) Discounted 0.00

3. Which statement about triggers is true?

A) You use an application trigger to fire when a DELETE statement occurs.
B) You use a system event trigger to fire when an UPDATE statement occurs.
C) You use a database trigger to fire when an INSERT statement occurs.
D) You use INSTEAD OF trigger to fire when a SELECT statement occurs.

4. Examine this code:
CREATE OR REPLACE FUNCTION gen_email_name
(p_first_name VARCHAR2, p_last_name VARCHAR2, p_id NUMBER)
RETURN VARCHAR2
is
v_email_name VARCHAR2(19);
BEGIN
v_email_home := SUBSTR(p_first_name, 1, 1) ||
SUBSTR(p_last_name, 1, 7) ||
'@Oracle.com';
UPDATE employees
SET email = v_email_name
WHERE employee_id = p_id;
RETURN v_email_name;
END;
You run this SELECT statement:
SELECT first_name, last_name
gen_email_name(first_name, last_name, 108) EMAIL
FROM employees;
What occurs?

A) Employee 108 has his email name updated based on the return result of the function.
B) The SQL statement executes successfully and control is passed to the calling environment.
C) The SQL statement executes successfully, because UPDATE and DELETE statements are ignoring in stored functions called from SQL expressions.
D) The statement fails because functions called from SQL expressions cannot perform DML.
E) The statement fails because the functions does not contain code to end the transaction.

5. You have a table with the following definition:
CREATE TABLE long_tab
(id NUMBER);
long_col LONG)
You need to convert the LONG_COL column from a LONG data type to a LOB data type. Which
statement accomplish this task?

A) ALTER TABLE long_tab MODIFY (LONG_COL CLOB);
B) EXECUTE utl_manage_lob.migrate(long_tab, long_col, clob)
C) EXECUTE utl_lob.migrate(long_tab, long_col, clob)
D) EXECUTE dbms_manage.lob.migrate(long_tab, long_col, clob)
E) EXECUTE dbms_lob.migrate(long_tab, long_col, clob)

Solutions: