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