The following lines contain the word 'select', 'insert', 'update' or 'delete':
SELECT person_id,
last_name,
first_name
INTO o_person_id,
o_last_name,
o_first_name
FROM per_people_f
WHERE employee_number = i_employee_number
AND i_date_worked BETWEEN effective_start_date
AND effective_end_date
AND business_group_id = i_business_group_id;