HCM Query to get Employee details without Payroll

We can use below query to get employee details to whom payroll is not assigned

SELECT papf.person_number 

      ,ppnf.full_name

      ,paam.assignment_number

  FROM per_all_people_f papf,

       per_person_names_f ppnf,

       per_all_assignments_m paam

 WHERE paam.person_id = ppnf.person_id

   AND papf.person_id = ppnf.person_id

   AND papf.person_id = paam.person_id

   AND trunc(sysdate) BETWEEN papf.effective_start_date AND papf.effective_end_date

   AND trunc(sysdate) BETWEEN paam.effective_start_date AND paam.effective_end_date

   AND trunc(sysdate) BETWEEN ppnf.effective_start_date AND ppnf.effective_end_date

   AND paam.effective_latest_change = 'Y'

   AND paam.primary_flag = 'Y'

   AND paam.assignment_type ='E'

   AND paam.assignment_status_type = 'ACTIVE' 

   AND ppnf.name_type = 'GLOBAL'

   AND NOT EXISTS (SELECT 1

                     FROM pay_rel_groups_dn prgd

     ,pay_pay_relationships_dn prrd 

,pay_assigned_payrolls_dn papd

                     ,pay_payroll_terms ppt

WHERE prgd.assignment_id = paam.assignment_id

  AND prrd.payroll_relationship_id = prgd.payroll_relationship_id

  AND papd.payroll_term_id = ppt.payroll_term_id

  AND ppt.payroll_relationship_id = prrd.payroll_relationship_id)