Vazba
SQL vazba z tabulky C1ZAHR3C na tabulku C1ZAHR2
select *
from C1ZAHR3C c1zahr3c
left outer join C1ZAHR2 c1zahr2 on c1zahr2.idpk = c1zahr3c.idpk_czahr2
select *
from C1ZAHR3C c1zahr3c
left outer join C1ZAHR2 c1zahr2 on c1zahr2.idpk = c1zahr3c.idpk_czahr2