Vazba
SQL vazba z tabulky PSOUVNNP na tabulku O8A
select *
from PSOUVNNP psouvnnp
left outer join O8A o8a on o8a.cislo_zakazky = psouvnnp.zakazka
select *
from PSOUVNNP psouvnnp
left outer join O8A o8a on o8a.cislo_zakazky = psouvnnp.zakazka