Vazba
SQL vazba z tabulky C1STRAVNE na tabulku D0PPV
select *
from C1STRAVNE c1stravne
left outer join D0PPV d0ppv on d0ppv.idpk = c1stravne.idpk_d0ppv
select *
from C1STRAVNE c1stravne
left outer join D0PPV d0ppv on d0ppv.idpk = c1stravne.idpk_d0ppv