Vazba
SQL vazba z tabulky PZAPVAZ na tabulku PPF_HL
select *
from PZAPVAZ pzapvaz
left outer join PPF_HL ppf_hl on ppf_hl.idpk = pzapvaz.idpk_ppfhl
select *
from PZAPVAZ pzapvaz
left outer join PPF_HL ppf_hl on ppf_hl.idpk = pzapvaz.idpk_ppfhl