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Oracle 1Z0-147 Exam Syllabus Topics:

Oracle9i program with pl/sql Sample Questions:

1. Examine this code:
CREATE OR REPLACE FUNCTION gen_email_name
(p_first_name VARCHAR2, p_last_name VARCHAR2, p_id NUMBER)
RETURN VARCHAR2
IS
v_email_name VARCHAR2(19=;
BEGIN
v_email_name := SUBSTR(p_first_name, 1, 1) ||
SUBSTR(p_last_name, 1, 7) ||
'@Oracle.com';
UPDATE employees
SET email = v_email_name
WHERE employee_id = p_id;
RETURN v_email_name;
END;
Which statement removes the function?

A) ALTER FUNCTION gen_email_name REMOVE;
B) DROP FUNCTION gen_email_name;
C) REMOVE gen_email_name;
D) DELETE gen_email_name;
E) TRUNCATE gen_email_name;

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

3. When creating stored procedures and functions, which construct allows you to transfer values to and from the calling environment?

A) Substitution variables
B) arguments
C) local variables
D) Boolean variables

4. Which four triggering events can cause a trigger to fire? (Choose four)

A) A specific error or any errors occurs.
B) A user executes a SELECT statement with an ORDER BY clause.
C) A user executes a CREATE or an ALTER table statement.
D) A database is shut down or started up.
E) A specific user or any user logs on or off.
F) A user executes a JOIN statement that uses four or more tables.

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

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

Solutions: