Oracle 1Z0-147

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Oracle9i program with pl/sql Sample Questions:

1. Examine this procedure:
CREATE OR REPLACE PROCEDURE UPD_BAT_STAT (V_ID IN NUMBER DEFAULT 10, V_AB IN NUMBER DEFAULT 4) IS BEGIN UPDATE PLAYER_BAT_STAT SET AT_BATS = AT_BATS + V_AB WHERE PLAYER_ID = V_ID; COMMIT; END;
Which two statements will successfully invoke this procedure in SQL *Plus? (Choose two)

A) EXECUTE UPD_BAT_STAT(V_AB=>10, V_ID=>31);
B) EXECUTE UPD_BAT_STAT;
C) EXECUTE UPD_BAT_STAT(31, 'FOUR','TWO');
D) RUN UPD_BAT_STAT;
E) UPD_BAT_STAT(V_AB=>10, V_ID=>31);

2. Which type of argument passes a value from a procedure to the calling environment?

A) VARCHAR2
B) BOOLEAN
C) IN
D) OUT

3. There is a CUSTOMER table in a schema that has a public synonym CUSTOMER and you are granted all object privileges on it. You have a procedure PROCESS_CUSTOMER that processes customer information that is in the public synonym CUSTOMER table. You have just created a new table called CUSTOMER within your schema. Which statement is true?

A) If the structure of your CUSTOMER table is the same as the public synonym CUSTOMER table then the procedure PROCESS_CUSTOMER successfully recompiles when invoked and accesses your CUSTOMER table.
B) Creating the table has no effect and procedure PROCESS_CUSTOMER still accesses data from public synonym CUSTOMER table.
C) If the structure of your CUSTOMER table is the same as the public synonym CUSTOMER table then the procedure PROCESS_CUSTOMER is invalidated and gives compilation errors.
D) If the structure of your CUSTOMER table is entirely different from the public synonym CUSTOMER table then the procedure PROCESS_CUSTOMER successfully recompiles and accesses your CUSTOMER table.

4. Examine this package:
CREATE OR REPLACE PACKAGE discounts
IS
g_id NUMBER := 7829;
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 NUMBER)
IS
BEGIN
DBMS_OUTPUT.PUT_LINE('Discounted '||
TO_CHAR(p_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 remains 0.00 in a session.
B) The value of DISCOUNT_RATE is set to 0.10 when the package is invoked for the first time in a session.
C) The value of DISCOUNT_RATE is set to 1.00 each time the procedure DISPLAY_PRICE is invoked.
D) The value of DISCOUNT_RATE is set to 0.10 each time the package is invoked in a session.

5. How can you migrate from a LONG to a LOB data type for a column?

A) Use the DBMS_MANAGE_LOB.MIGRATE procedure.
B) Use the UTL_MANAGE_LOMIGRATE procedure.
C) You cannot migrate from a LONG to a LOB date type for a column.
D) Use the DBMS_LOB.MIGRATE procedure.
E) Use the ALTER TABLE command.

Solutions: