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Oracle 1Z0-147 Exam Syllabus Topics:

Oracle9i program with pl/sql Sample Questions:

1. Which two dictionary views track dependencies? (Choose two)

A) UTL_DEPTREE
B) DEPTREE_TEMPTAB
C) USER_SOURCE
D) USER_DEPENDENCIES
E) USER_OBJECTS
F) DBA_DEPENDENT_OBJECTS

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

A) The contents of packages can be shared by many applications.
B) Packages can be nested.
C) A package is loaded into memory each time it is invoked.
D) You can achieve information hiding by making package constructs private.
E) You can pass parameters to packages.

3. Examine this package:
CREATE OR REPLACE PACKAGE manage_emps IS tax_rate CONSTANT NUMBER(5,2) := .28; v_id NUMBER; PROCEDURE insert_emp (p_deptno NUMBER, p_sal NUMBER); PROCEDURE delete_emp; PROCEDURE update_emp; FUNCTION calc_tax (p_sal NUMBER) RETURN NUMBER; END manage_emps; / CREATE OR REPLACE PACKAGE BODY manage_emps IS PROCEDURE update_sal (p_raise_amt NUMBER) IS BEGIN UPDATE emp SET sal = (sal * p_raise_emt) + sal WHERE empno = v_id; END; PROCEDURE insert_emp (p_deptno NUMBER, p_sal NUMBER) IS BEGIN INSERT INTO emp(empno, deptno, sal) VALYES(v_id, p_depntno, p_sal); END insert_emp; PROCEDURE delete_emp IS BEGIN DELETE FROM emp WHERE empno = v_id; END delete_emp; PROCEDURE update_emp IS v_sal NUMBER(10, 2); v_raise NUMBER(10, 2); BEGIN SELECT sal INTO v_sal FROM emp WHERE empno = v_id;
IF v_sal < 500 THEN
v_raise := .05;
ELSIP v_sal < 1000 THEN
v_raise := .07;
ELSE
v_raise := .04;
END IF;
update_sal(v_raise);
END update_emp;
FUNCTION calc_tax
(p_sal NUMBER)
RETURN NUMBER
IS
BEGIN
RETURN p_sal * tax_rate;
END calc_tax;
END manage_emps;
/
What is the name of the private procedure in this package?

A) DELETE_EMP
B) UPDATE_SAL
C) UPDATE_EMP
D) INSERT_EMP
E) CALC_TAX
F) MANAGE_EMPS

4. Which two program declarations are correct for a stored program unit? (Choose two)

A) CREATE OR REPLACE FUNCTION tax_amt
(p_id NUMBER)
RETURN NUMBER
B) CREATE OR REPLACE PROCEDURE tax_amt
(p_id NUMBER, p_amount OUT NUMBER(10, 2))
C) CREATE OR REPLACE FUNCTION tax_amt
(p_id NUMBER)
RETURN NUMBER(10,2)
D) CREATE OR REPLACE PROCEDURE tax_amt
(p_id NUMBER)
RETURN NUMBER
E) CREATE OR REPLACE PROCEDURE tax_amt
(p_id NUMBER, p_amount OUT NUMBER)

5. 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) Application trigger
D) DML trigger

Solutions: