Vazba
SQL vazba z tabulky C0ZALOHY na tabulku C1ZAHR1
select *
from C0ZALOHY c0zalohy
left outer join C1ZAHR1 c1zahr1 on c1zahr1.idpk = c0zalohy.idpk_czahr1
select *
from C0ZALOHY c0zalohy
left outer join C1ZAHR1 c1zahr1 on c1zahr1.idpk = c0zalohy.idpk_czahr1