Vazba
SQL vazba z tabulky PFPLAN_POL na tabulku OCNOS
select *
from PFPLAN_POL pfplan_pol
left outer join OCNOS ocnos on ocnos.idpk = pfplan_pol.idpk_ocnos
select *
from PFPLAN_POL pfplan_pol
left outer join OCNOS ocnos on ocnos.idpk = pfplan_pol.idpk_ocnos