Vazba
SQL vazba z tabulky PPAPPOM na tabulku PUCNPAP
select *
from PPAPPOM ppappom
left outer join PUCNPAP pucnpap on pucnpap.idpk = ppappom.pucn_pap
select *
from PPAPPOM ppappom
left outer join PUCNPAP pucnpap on pucnpap.idpk = ppappom.pucn_pap