Vazba
SQL vazba z tabulky Z0VYJADROVANI na tabulku Z6A
select *
from Z0VYJADROVANI z0vyjadrovani
left outer join Z6A z6a on z6a.idpk = z0vyjadrovani.cis_odber
select *
from Z0VYJADROVANI z0vyjadrovani
left outer join Z6A z6a on z6a.idpk = z0vyjadrovani.cis_odber