Vazba
SQL vazba z tabulky D0DOKLAD na tabulku D0ZAR
select *
from D0DOKLAD d0doklad
left outer join D0ZAR d0zar on d0zar.idpk = d0doklad.idpk_d0zar
select *
from D0DOKLAD d0doklad
left outer join D0ZAR d0zar on d0zar.idpk = d0doklad.idpk_d0zar