Vazba
SQL vazba z tabulky PPFUPOM na tabulku PPF_HL
select *
from PPFUPOM ppfupom
left outer join PPF_HL ppf_hl on ppf_hl.idpk = ppfupom.idpk_pf
select *
from PPFUPOM ppfupom
left outer join PPF_HL ppf_hl on ppf_hl.idpk = ppfupom.idpk_pf