Vazba
SQL vazba z tabulky E1PORUCHY na tabulku Z6AU
select *
from E1PORUCHY e1poruchy
left outer join Z6AU z6au on z6au.idpk = e1poruchy.idpk_z6au
select *
from E1PORUCHY e1poruchy
left outer join Z6AU z6au on z6au.idpk = e1poruchy.idpk_z6au