Vazba
SQL vazba z tabulky O1PKPPM na tabulku O1PKPC
select *
from O1PKPPM o1pkppm
left outer join O1PKPC o1pkpc on o1pkpc.idpk = o1pkppm.idpk_polozka
select *
from O1PKPPM o1pkppm
left outer join O1PKPC o1pkpc on o1pkpc.idpk = o1pkppm.idpk_polozka