Oracle 1Z0-147 : Oracle9i program with pl/sql

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Oracle 1Z0-147 Exam Syllabus Topics:

Oracle9i program with pl/sql Sample Questions:

1. Which code can you use to ensure that the salary is not increased by more than 10% at a time nor is it ever decreased?

A) CREATE OR REPLACE TRIGGER check_sal
AFTER UPDATE OR sal ON emp
WHEN (new.sal < old.sal OR
-new.sal > old.sal * 1.1)
BEGIN
RAISE_APPLICATION_ERROR ( - 20508, 'Do not decrease
salary not increase by more than 10%');
END;
B) CREATE OR REPLACE TRIGGER check_sal
BEFORE UPDATE OF sal ON emp
FOR EACH ROW
WHEN (new.sal < old.sal OR
new.sal > old.sal * 1.1)
BEGIN
RAISE_APPLICATION_ERROR ( - 20508, 'Do not decrease
salary not increase by more than 10%');
END;
C) CREATE OR REPLACE TRIGGER check_sal
BEFORE UPDATE OF sal ON emp
WHEN (new.sal < old.sal OR
new.sal > old.sal * 1.1)
BEGIN
RAISE_APPLICATION_ERROR ( - 20508, 'Do not decrease
salary not increase by more than 10%');
END;
D) ALTER TABLE emp ADD
CONSTRAINT ck_sal CHECK (sal BETWEEN sal AND sal*1.1);

2. You need to create a DML trigger. Which five pieces need to be identified? (Choose five)

A) DML event
B) Trigger body
C) Package body
D) Package name
E) Table
F) System event
G) Trigger name
H) Trigger timing

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

4. Examine this code:
CREATE OR REPLACE PROCEDURE add_dept
( p_name departments.department_name%TYPE DEFAULT 'unknown',
p_loc departments.location_id%TYPE DEFAULT 1700)
IS
BEGIN
INSERT INTO departments(department_id, department_name,
loclation_id)
VALUES(dept_seq.NEXTVAL,p_name, p_loc);
END add_dept;
/
You created the add_dept procedure above, and you now invoke the procedure in SQL *Plus.
Which four are valid invocations? (Choose four)

A) EXECUTE add_dept('Education', 2500)
B) EXECUTE add_dept('2500', p_loc =>2500)
C) EXECUTE add_dept(p_loc=>2500)
D) EXECUTE add_dept(p_loc=>2500, p_name=>'Education')
E) EXECUTE add_dept(p_name=>'Education', 2500)

5. Which statement is true about removing packages?

A) You must remove the package body first
B) Removing a package specification removes the body too
C) You must remove both the package body and the specification separately
D) Removing a package specification removes all stand alone stored functions named in the specification
E) Removing the package body removes the specification too

Solutions: