Vazba
SQL vazba z tabulky D1PUR na tabulku O0CISELNIK
select *
from D1PUR d1pur
left outer join O0CISELNIK o0ciselnik on o0ciselnik.idpk = d1pur.druh_kod
select *
from D1PUR d1pur
left outer join O0CISELNIK o0ciselnik on o0ciselnik.idpk = d1pur.druh_kod