Vazba
SQL vazba z tabulky PSPLATKPOL na tabulku O6C
select *
from PSPLATKPOL psplatkpol
left outer join O6C o6c on o6c.dkb_kod = psplatkpol.kod_banky
select *
from PSPLATKPOL psplatkpol
left outer join O6C o6c on o6c.dkb_kod = psplatkpol.kod_banky