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Oracle 1Z0-147 Exam Syllabus Topics:

Oracle9i program with pl/sql Sample Questions:

Question 1

Which two program declarations are correct for a stored program unit? (Choose two)

A. CREATE OR REPLACE PROCEDURE tax_amt
(p_id NUMBER, p_amount OUT NUMBER(10, 2))
B. CREATE OR REPLACE FUNCTION tax_amt
(p_id NUMBER)
RETURN NUMBER(10,2)
C. CREATE OR REPLACE PROCEDURE tax_amt
(p_id NUMBER)
RETURN NUMBER
D. CREATE OR REPLACE FUNCTION tax_amt
(p_id NUMBER)
RETURN NUMBER
E. CREATE OR REPLACE PROCEDURE tax_amt
(p_id NUMBER, p_amount OUT NUMBER)

Question 2

When using a packaged function in a query, what is true?

A. The packaged function can execute an INSERT, UPDATEM or DELETE statement against the table that is being queried if the pragma RESTRICT REFERENCE is used.
B. The packaged function cannot execute an INSERT, UPDATE, or DELETE statement against the table that is being queried.
C. You can not use packaged functions in a query statement.
D. The packaged function can execute and INSERT, UPDATE, or DELETE statement against the table that is being queried if it is used in a subquery.
E. The COMMIT and ROLLBACK commands are allowed in the packaged function.

Question 3

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 0.10
B. Discounted 0.00
C. Discounted NULL
D. Discounted 10
E. Discounted 100

Question 4

You disabled all triggers on the EMPLOYEES table to perform a data load. Now, you need to enable all triggers on the EMPLOYEES table. Which command accomplished this?

A. ALTER employees ENABLE ALL TRIGGERS;
B. You cannot enable multiple triggers on a table in one command.
C. ALTER TABLE employees ENABLE ALL TRIGGERS;
D. ALTER TRIGGERS ON TABLE employees ENABLE;

Question 5

You need to implement a virtual private database (vpd). In order to have the vpd functionality, a trigger is required to fire when every user initiates a session in the database.What type of trigger needs to be created?

A. System event trigger
B. INSTEAD OF trigger
C. DML trigger
D. Application trigger

Solutions: