Vazba
SQL vazba z tabulky PPF_DANR na tabulku PPF_HL
select *
from PPF_DANR ppf_danr
inner join PPF_HL ppf_hl on ppf_hl.idpk = ppf_danr.idpk_hlavicky
select *
from PPF_DANR ppf_danr
inner join PPF_HL ppf_hl on ppf_hl.idpk = ppf_danr.idpk_hlavicky