Vazba
SQL vazba z tabulky PNOS na tabulku O1CISELN
select *
from PNOS pnos
left outer join O1CISELN o1ciseln on o1ciseln.ciselnik = pnos.mena_cis and o1ciseln.klic1 = pnos.mena_klic
select *
from PNOS pnos
left outer join O1CISELN o1ciseln on o1ciseln.ciselnik = pnos.mena_cis and o1ciseln.klic1 = pnos.mena_klic