Vazba
SQL vazba z tabulky spf na tabulku OPRISTUP
select *
from spf spf
left outer join OPRISTUP opristup on opristup.idpk = spf.spf_opristup_idpk
select *
from spf spf
left outer join OPRISTUP opristup on opristup.idpk = spf.spf_opristup_idpk