Vazba
SQL vazba z tabulky PZAPVAZ na tabulku PZAPHL
select *
from PZAPVAZ pzapvaz
left outer join PZAPHL pzaphl on pzaphl.idpk = pzapvaz.idpk_pzaphl
select *
from PZAPVAZ pzapvaz
left outer join PZAPHL pzaphl on pzaphl.idpk = pzapvaz.idpk_pzaphl