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Oracle9i program with pl/sql Sample Questions:

1. 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 BLOBs and NUMBER data types
C) BFILES are stored in the database
D) All LOBs have read and write access
E) The Oracle9i server performs implicit conversions between CLOBs and VARCHAR2 data types

2. An internal LOB is _____.

A) A column that is a primary key.
B) A file stored outside of the database, with an internal pointer to it from a database column.
C) Stored in the database.
D) A table.

3. Examine this procedure:
CREATE OR REPLACE PROCEDURE ADD_PLAYER
(V_ID IN NUMBER, V_LAST_NAME VARCHAR2)
IS
BEGIN
INSERT INTO PLAYER (ID,LAST_NAME)
VALUES (V_ID, V_LAST_NAME);
COMMIT;
END;
This procedure must invoke the APD_BAT_STAT procedure and pass a parameter.
Which statement, when added to the above procedure will successfully invoke the
UPD_BAT_STAT procedure?

A) UPD_BAT_STAT(V_ID);
B) START UPD_BAT_STAT(V_ID);
C) EXECUTE UPD_BAT_STAT(V_ID);
D) RUN UPD_BAT_STAT(V_ID);

4. You want to create a PL/SQL block of code that calculates discounts on customer orders. -This code will be invoked from several places, but only within the program unit ORDERTOTAL. What is the most appropriate location to store the code that calculates the discounts?

A) A local subprogram defined within the program unit ORDERTOTAL.
B) A block of code in a PL/SQL library.
C) A standalone procedure on the client machine.
D) A stored procedure on the server.
E) A block of code in the body of the program unit ORDERTOTAL.

5. The add_player, upd_player_stat, and upd_pitcher_stat procedures are grouped together in a package. A variable must be shared among only these procedures.
Where should you declare this variable?

A) In each procedure's DECLARE section, using the exact same name in each.
B) In a database trigger.
C) In the package body.
D) In the package specification.

Solutions: