Pembagian relasional di mysql tanpa fungsi agregat?

Yang Anda butuhkan adalah pembagian relasional codd sederhana.

select distinct p.team from player p 
where not exists
(select * from player p1 
where not exists
(select * from player p2 
where 
p.team=p2.team 
and 
p2.gid=p1.gid))