Vazba
SQL vazba z tabulky POPRPOLCIS na tabulku OCUO
select *
from POPRPOLCIS poprpolcis
left outer join OCUO ocuo on ocuo.idpk = poprpolcis.saldo_ucet
select *
from POPRPOLCIS poprpolcis
left outer join OCUO ocuo on ocuo.idpk = poprpolcis.saldo_ucet