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