Oracle9i program with pl/sql : 1Z0-147

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Oracle9i program with pl/sql Sample Questions:

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

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

3. Which two describe a stored procedure? (Choose two)

A) A stored procedure is a named PL/SQL block that can accept parameters.
B) A stored procedure is typically written in SQL.
C) A stored procedure is a type of PL/SQL subprogram that performs an action.
D) A stored procedure has three parts: the specification, the body, and the exception handler part.
E) The executable section of a stored procedure contains statements that assigns values, control execution, and return values to the calling environment.

4. You have the following table:
CREATE TABLE Emp_log ( Emp_id NUMBER Log_date DATE, New_salary NUMBER, Action VARCHAR(20));
You have the following data in the EMPLOYEES table:
EMPLOYEE_ID LAST_NAME SALARY DEPARTMENT_ID
100 King 24000 90 101 Kochhar 17000 90 102 De Haan 17000 90 103 Hunold 9000 60 104 Ernst 6000 60 105 Austin 4800 60 106 Pataballa 4800 60 107 Lorentz 4200 60 108 Greenberg 12000 100 201 Hartstein 13000 20 202 Fay 6000 20
You create this trigger:
CREATE OR REPLACE TRIGGER Log_salary_increase AFTER UPDATE ON employees FOR EACH ROW WHEN (:new.Salary > 1000) BEGIN INSERT INTO Emp_log (Emp_id, Log_date, New_Salary, Action) VALUES (new.Employee_id, SYSDATE, :new.SALary, 'NEW SAL'); END /
Then, you enter the following SQL statement:
UPDATE Employee SET Salary = Salary + 1000.0 Where Department_id = 20M
What are the result in the EMP_LOG table?
A EMP_ID LOG_DATE NEW_SALARY ACTION
201 24-SEP-02 13000 NEW SAL 202 24-SEP-02 600 NEW SAL

A) EMP_ID LOG_DATE NEW_SALARY ACTION
201 24-SEP-02 14000 NEW SAL 202 24-SEP-02 7000 NEW SAL
B) No rows are inserted.
C) EMP_ID LOG_DATE NEW_SALARY ACTION
201 24-SEP-02 NEW SAL 202 24-SEP-02 NEW SAL

5. The OLD and NEW qualifiers can be used in which type of trigger?

A) Row level DML trigger
B) Row level application trigger
C) Statement level application trigger
D) Statement level system trigger
E) Row level system trigger
F) Statement level DML trigger

Solutions: