Vazba
SQL vazba z tabulky J2EVID_NAKUP na tabulku OSOBY
select *
from J2EVID_NAKUP j2evid_nakup
left outer join OSOBY osoby on osoby.idpk = j2evid_nakup.idpk_ridic
select *
from J2EVID_NAKUP j2evid_nakup
left outer join OSOBY osoby on osoby.idpk = j2evid_nakup.idpk_ridic