Vazba
SQL vazba z tabulky OGDPRS na tabulku OGDPRC
select *
from OGDPRS ogdprs
left outer join OGDPRC ogdprc on ogdprc.idpk = ogdprs.idpk_ogdprc
select *
from OGDPRS ogdprs
left outer join OGDPRC ogdprc on ogdprc.idpk = ogdprs.idpk_ogdprc