Topic: Oracle Certified Professional Exams (OCP & OCA) >> Doubts in 1z0-147
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| shr |
Posted: Apr 24, 2007 08:42:59 AM |
Total Post: 3
Joined: Mar, 2007
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hi,
QUESTION NO: 30
Examine this package
CREATE OR REPLACE PACKAGE discounts IS
G_ID NUMBER:=7839;
DISCOUNT_RATE NUMBER O. 00;
PROCEDURE DISPLAY_PRICE (V_PRICE NUMBER);
END DISCOUNTS;
/
CREATE OR REPLACE PACKAGE BODY discounts
IS
PROCEDURE DISPLAY_PRICE (V_PRICE_NUMBER)
IS
BEGIN DBMS_OUTPUT.PUT_LINE(‘DISCOUNTED||2_4
(V_PRICE*NVL(DISCOUNT_RATE, 1)))
END DISPLAY_PRICE;
BEGIN DISCOUNT_RATE;=0. 10;
END DISCOUNTS;
/
Which statement is true?
A. The value of DISCOUNT_RATE always remain 0. 00 in a session.
B. The value of DISCOUNT_RATE is set to 0. 10 each time the package are
invoked in a session.
C. The value of DISCOUNT_RATE is set to 1 each time the procedure
DISPLAY_PRICE is invoked.
D. The value of DISCOUNT_RATE is set to 0. 10 when the package is invoked for first time in a session.
Answer: B or D
can any one tell me the right answer ? |
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