Vazba
SQL vazba z tabulky DCUZNAL na tabulku O0CISELNIK
select *
from DCUZNAL dcuznal
left outer join O0CISELNIK o0ciselnik on o0ciselnik.idpk = dcuznal.idpk_dosaz_zp
select *
from DCUZNAL dcuznal
left outer join O0CISELNIK o0ciselnik on o0ciselnik.idpk = dcuznal.idpk_dosaz_zp