Vazba
SQL vazba z tabulky OOUPO_OBJ na tabulku OOUPO
select *
from OOUPO_OBJ ooupo_obj
left outer join OOUPO ooupo on ooupo.idpk = ooupo_obj.idpk_ooupo
select *
from OOUPO_OBJ ooupo_obj
left outer join OOUPO ooupo on ooupo.idpk = ooupo_obj.idpk_ooupo