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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
V_PLAYER_AVG NUMBER84,3);
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;
VALIDATE_PLAYER_STAT(V_ID);
END UPD_PLAYER_STAT;
PROCEDURE ADD_PLAYER
(V_ID IN NUMBER, V_LAST_NAME VARCHAR2, V_SALARY NUMBERI)
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;
If you add an IF statement to the ADD_PLAYER procedure which additional step must you
perform?
r A Recompile the ADD PLAYER procedure
Recompile both the BB PACK specification and body

A) Recompile the BB_PACK specification
B) Recompile both the BB_PACK specification and body
C) Recompile the ADD_PLAYER procedure
D) Recompile the BB_PACK body

2. You want to create procedures, functions and packages Which privilege do you need?

A) CREATE ANY CODE object privilege
B) CREATE PACKAGE system privilege
C) CREATE PROCEDURE system privilege
D) EXECUTE CODE object privilege
E) CREATE FUNCTION, CREATE PROCEDURE, CREATE PACKAGE system privileges

3. You need to implement a virtual private database (vpd). In order to have the vpd functionality, a trigger is required to fire when every user initiates a session in the database.What type of trigger needs to be created?

A) Application trigger
B) INSTEAD OF trigger
C) DML trigger
D) System event trigger

4. Examine this code:
CREATE OR REPLACE PACKAGE comm_package
IS
g_comm NUMBER := 10;
PROCEDURE reset_comm(p_comm IN NUMBER);
END comm_package;
/
User Jones executes the following code at 9:01am: EXECUTE comm_package.g_comm := 15
User Smith executes the following code at 9:05am: EXECUTE comm_paclage.g_comm := 20
Which statement is true?

A) g_comm has a value of 15 at 9:06am for Jones.
B) g_comm has a value of 10 at 9:06am for both Jones and Smith.
C) g_comm has a value of 15 at 9:03 am for both Jones and Smith.
D) g_comm has a value of 20 at 9:06am for both Jones and Smith.
E) g_comm has a value of 10 at 9:03am for both Jones and Smith
F) g_comm has a value of 15 at 9:06am for Smith.

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

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

Solutions: