Two different ways to create an Assignment Set:
Amendments
select distinct per.employee_number
from per_assignments_f ass,
per_people_x per,
hr_assignment_set_amendments aset
where ass.person_id = per.person_id
and aset.assignment_set_id = :p_ag_set_id
and aset.assignment_id = ass.assignment_id
Criteria
select per.employee_number
from per_assignments_x ass,
per_people_x per,
hr_organization_units org,
hr_assignment_set_criteria aset
where ass.organization_id = org.organization_id
and ass.person_id = per.person_id
and aset.assignment_set_id = :p_ag_set_id
and org.name = aset.right_operan
Click on Generate to update an assignment set