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Oracle9i program with pl/sql Sample Questions:

1. Examine this package:
CREATE OR REPLACE PACKAGE BB_PACK IS
V_MAX_TEAM_SALARY NUMBER(12,2);
PROCEDURE ADD_PLAYER(V_ID IN NUMBER, V_LAST_NAME VARCHAR2, V_SALARY
NUMBER);
END BB_PACK;
/
CREATE OR REPLACE PACKAGE BODY BB_PACK
IS
PROCEDURE UPD_PLAYER_STAT
(V_ID IN NUMBER, V_AB IN NUMBER DEFAULT 4, V_HITS IN NUMBER)
IS
BEGIN
UPDATE PLAYER_BAT_STAT
SET AT_BATS = AT_BATS + V_AB,
HITS = HITS + V_HITS
WHERE PLAYER_ID = V_ID;
COMMIT;
END UPD_PLAYER_STAT;
PROCEDURE ADD_PLAYER
(V_ID IN NUMBER, V_LAST_NAME VARCHAR2, V_SALARY NUMBER)
IS
BEGIN
INSERT INTO PLAYER(ID,LAST_NAME,SALARY)
VALUES (V_ID, V_LAST_NAME, V_SALARY);
UPD_PLAYER_STAT(V_ID,0,0);
END ADD_PLAYER;
END BB_PACK;
You make a change to the body of the BB_PACK package. The BB_PACK body is recompiled.
What happens if the stand alone procedure VALIDATE_PLAYER_STAT references this package?

A) VALIDATE_PLAYER_STAT cannot recompile and must be recreated.
B) VALDIATE_PLAYER_STAT is invalidated.
C) VALIDATE_PLAYER_STAT and BB_PACK are invalidated.
D) VALIDATE_PLAYER_STAT is not invalidated.

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

A) The package specification is optional, but the package body is required.
B) The specification and body of the package are stored separately in the database.
C) Both the specification and body are required components of a package.
D) The specification and body of the package are stored together in the database.
E) The package specification is required, but the package body is optional.

3. An internal LOB is _____.

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

4. You need to remove the database triggerBUSINESS_HOUR.Which command do you use to remove the trigger in the SQL *Plus environment?

A) DELETE TRIGGER business_hour;
B) DELETE FROM USER_TRIGGERS
WHERE TRIGGER_NAME = 'BUSINESS_HOUR';
C) DROP TRIGGER business_hour;
D) ALTER TRIGGER business_hour REMOVE;
E) REMOVE TRIGGER business_hour;

5. Which table should you query to determine when your procedure was last compiled?

A) USER_OBJECTS
B) USER_PROCEDURES
C) USER_PROCS
D) USER_PLSQL_UNITS

Solutions: