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Oracle 1Z0-147 Exam Syllabus Topics:

Oracle9i program with pl/sql Sample Questions:

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

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

2. Examine the code examples. Which one is correct?

A) CREATE OR REPLACE TRIGGER authorize_action BEFORE INSERT ON EMPLOYEES CALL log_execution; /
B) CREATE OR REPLACE TRIGGER authorize_action BEFORE EMPLOYEES INSERT CALL log_execution;
C) CREATE OR REPLACE TRIGGER authorize_action BEFORE EMPLOYEES INSERT CALL log_execution;
D) CREATE OR REPLACE TRIGGER authorize_action CALL log_execution BEFORE INSERT ON EMPLOYEES; /

3. To be callable from a SQL expression, a user-defined function must do what?

A) Return a BOOLEAN or VARCHAR2 data type.
B) Be stored only in the database.
C) Use the positional notation for parameters.
D) Have both IN and OUT parameters.

4. Examine this code:
CREATE OR REPLACE PACKAGE metric_converter
IS
c_height CONSTRAINT NUMBER := 2.54;
c_weight CONSTRAINT NUMBER := .454;
FUNCTION calc_height (p_height_in_inches NUMBER)
RETURN NUMBER;
FUNCTION calc_weight (p_weight_in_pounds NUMBER)
RETURN NUMBER;
END;
/
CREATE OR REPLACE PACKAGE BODY metric_converter
IS
FUNCTION calc_height (p_height_in_inches NUMBER)
RETURN NUMBER
IS
BEGIN
RETURN p_height_in_inches * c_height;
END calc_height;
FUNCTION calc_weight (p_weight_in_pounds NUMBER)
RETURN NUMBER
IS
BEGIN
RETURN p_weight_in_pounds * c_weight
END calc_weight
END metric_converter;
/
CREATE OR REPLACE FUNCTION calc_height (p_height_in_inches NUMBER)
RETURN NUMBER
IS
BEGIN
RETURN p_height_in_inches * metric_converter.c_height;
END calc_height;
/
Which statement is true?

A) If you remove the package specification, then the package body and the stand alone stored function CALC_HEIGHT are removed.
B) If you remove the package body, then the package specification is removed.
C) If you remove the stand alone stored function CALC_HEIGHT, then the METRIC_CONVERTER package body and the package specification are removed.
D) If you remove the package body, then the package specification and the stand alone stored function CALC_HEIGHT are removed.
E) If you remove the package specification, then the package body is removed.
F) The stand alone function CALC_HEIGHT cannot be created because its name is used in a packaged function.

5. Examine this code:
CREATE OR REPLACE FUNCTION calc_sal(p_salary NUMBER)
RETURN NUMBER
IS
v_raise NUMBER(4,2) DEFAULT 1.08;
BEGIN
RETURN v_raise * p_salary;
END calc_sal;
/
Which statement accurately call the stored function CALC_SAL? (Choose two)

A) INSERT calc_sal(salary) INTO employees
WHERE department_id = 60;
B) DELETE FROM employees(calc_sal(salary))
WHERE calc_sal(salary) > 1000;
C) SELECT last_name, salary, calc_sal(salary)
FROM employees ORDER BY
calc_sal(salary);
D) UPDATE employees (calc_sal(salary))
SET salary = salary * calc_sal(salary);
E) SELECT salary, calc_sal(salary)
FROM employees
WHERE department_id = 60;

Solutions: