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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_home := 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;
You run this SELECT statement:
SELECT first_name, last_name
gen_email_name(first_name, last_name, 108) EMAIL
FROM employees;
What occurs?

A) The statement fails because the functions does not contain code to end the transaction.
B) The statement fails because functions called from SQL expressions cannot perform DML.
C) Employee 108 has his email name updated based on the return result of the function.
D) The SQL statement executes successfully, because UPDATE and DELETE statements are ignoring in stored functions called from SQL expressions.
E) The SQL statement executes successfully and control is passed to the calling environment.

2. The add_player, upd_player_stat, and upd_pitcher_stat procedures are grouped together in a package. A variable must be shared among only these procedures.
Where should you declare this variable?

A) In a database trigger.
B) In each procedure's DECLARE section, using the exact same name in each.
C) In the package body.
D) In the package specification.

3. Which three are true statements about dependent objects? (Choose three)

A) You can view whether an object is valid or invalid in the USER_STATUS data dictionary view.
B) You can view whether an object is valid or invalid in the USER_OBJECTS data dictionary view.
C) Invalid objects cannot be described.
D) All schema objects have a status that is recorded in the data dictionary.
E) An object with status of invalid cannot be a referenced object.
F) The Oracle server automatically records dependencies among objects.

4. What happens during the execute phase with dynamic SQL for INSERT, UPDATE, and DELETE operations?

A) The validity of the SQL statement is established.
B) The SQL statement is run and the number of rows processed is returned.
C) The area of memory established to process the SQL statement is released.
D) The rows are selected and ordered.
E) An area of memory is established to process the SQL statement.

5. You disabled all triggers on the EMPLOYEES table to perform a data load. Now, you need to enable all triggers on the EMPLOYEES table. Which command accomplished this?

A) You cannot enable multiple triggers on a table in one command.
B) ALTER employees ENABLE ALL TRIGGERS;
C) ALTER TRIGGERS ON TABLE employees ENABLE;
D) ALTER TABLE employees ENABLE ALL TRIGGERS;

Solutions: