Vazba
SQL vazba z tabulky PSTAVUCTO na tabulku PVF_HL
select *
from PSTAVUCTO pstavucto
left outer join PVF_HL pvf_hl on pvf_hl.idpk = pstavucto.idpk_vf
select *
from PSTAVUCTO pstavucto
left outer join PVF_HL pvf_hl on pvf_hl.idpk = pstavucto.idpk_vf