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

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Oracle 1Z0-147 Exam Syllabus Topics:

Oracle9i program with pl/sql Sample Questions:

Question 1

Which view displays indirect dependencies, indenting each dependency?

A. I_DEPT_TREE
B. INDENT_TREE
C. IDEPTREE
D. DEPTREE

Question 2

The add_player procedure inserts rows into the PLAYER table. Which command will show this directory dependency?

A. SELECT * FROM USER_DEPENDENCIES WHERE TYPE = 'DIR';
B. SELECT * FROM USER DEPENDENCIES WHERE REFERENCED_NAME = 'TABLE';
C. SELECT * FROM USER DEPENDENCIES WHERE REFERENCED_NAME = 'ADD_PLAYER';
D. SELECT * FROM USER_DEPENDENCIES WHERE REFERENCED_NAME = 'PLAYER';

Question 3

Examine this code:
CREATE OR REPLACE PROCEDURE audit_action (p_who VARCHAR2) AS BEGIN INSERT INTO audit(schema_user) VALUES(p_who); END audit_action; /
CREATE OR REPLACE TRIGGER watch_it AFTER LOGON ON DATABASE CALL audit_action(ora_login_user) / What does this trigger do?

A. The trigger records an audit trail when a user makes changes to the database.
B. The trigger invokes the procedure audit_action each time a user logs on to the database and adds the username to the audit table.
C. The trigger invoked the procedure audit_action each time a user logs on to his/her schema and adds the username to the audit table.
D. The trigger marks the user as logged on to the database before an audit statement is issued.

Question 4

Which three are valid ways to minimize dependency failure? (Choose three)

A. Specifying package.procedure notation while executing procedures.
B. Declaring records by using the %ROWTYPE attribute.
C. Querying with the SELECT * notification.
D. Specifying schema names when referencing objects.
E. Declaring variables with the %TYPE attribute.

Question 5

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;
/
How many public procedures are in the MANAGE_EMPS package?

A. Three
B. Two
C. Five
D. One
E. Four

Solutions: