Vazba
SQL vazba z tabulky ORN_MOMC na tabulku ORN_OBEC
select *
from ORN_MOMC orn_momc
left outer join ORN_OBEC orn_obec on orn_obec.kod = orn_momc.obec
select *
from ORN_MOMC orn_momc
left outer join ORN_OBEC orn_obec on orn_obec.kod = orn_momc.obec