Oracle SQL — tabele Query 2 na podstawie ich kluczy obcych

Możesz uzyskać to, czego chcesz, korzystając z tego:

select *  from
(select name || ' ' || Surname Accounting from employees where depart_id = 1),
(select name || ' ' || Surname  IT from employees where depart_id =2)
union
select * from
(select name || ' ' || Surname Accounting from managers where depart_id = 1),
(select name || ' ' || Surname  IT from managers where depart_id =2)