Oracle 1Z0-147

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Oracle9i program with pl/sql Sample Questions:

1. 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 and the triggering statement are rolled back.
B) A runtime error occurs. The update on the EMP table does not take place, but the insert into the AUDIT_TABLE occurs.
C) A compile time error occurs.
D) The trigger fires successfully. The update on the EMP table occurs, and data is inserted into theAUDIT_TABLE table.
E) A runtime error occurs. The effect of trigger body is rolled back, but the update on the EMP table takes place.

2. Which two statements are true about LOBs? (Choose two.)

A) NCLOB represents a multi-byte character object
B) The Oracle9i server performs implicit conversions between CLOBs and VARCHAR2 data types
C) All LOBs have read and write access
D) BFILES are stored in the database
E) The Oracle9i server performs implicit conversions between BLOBs and NUMBER data types

3. 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 is set to 0.10 each time the package is invoked in a session.
B) The value of DISCOUNT_RATE always remains 0.00 in a session.
C) The value of DISCOUNT_RATE is set to 0.10 when the package is invoked for the first time in a session.
D) The value of DISCOUNT_RATE is set to 1.00 each time the procedure DISPLAY_PRICE is invoked.

4. All users currently have the INSERT privilege on the PLAYER table. You only want your users to insert into this table using the ADD_PLAYTER procedure. Which two actions must you take? (Choose two)

A) GRANT EXECUTE ON ADD_PLAYER TO PUBLIC;
B) GRANT SELECT ON ADD_PLAYER TO PUBLIC;
C) REVOKE INSERT ON PLAYER FROM PUBLIC;
D) GRANT INSERT ON PLAYER TO PUBLIC;
E) GRANT EXECUTE,INSERT ON ADD_PLAYER TO PUBLIC;

5. Which two statements about the overloading feature of packages are true? (Choose two)

A) Overloading allows different subprograms with the same number, type and order of parameters.
B) Overloading allows different subprograms with the same name, but different in either number, type or order of parameters.
C) Overloading allows different functions with the same name that differ only in their return types.
D) Overloading allows different subprograms with the same name and same number or type of parameters.
E) Only local or packaged subprograms can be overloaded.

Solutions: