Vazba
SQL vazba z tabulky OFWGRPDEF na tabulku OFWGRP
select *
from OFWGRPDEF ofwgrpdef
left outer join OFWGRP ofwgrp on ofwgrp.idpk = ofwgrpdef.idpk_ofwgrp
select *
from OFWGRPDEF ofwgrpdef
left outer join OFWGRP ofwgrp on ofwgrp.idpk = ofwgrpdef.idpk_ofwgrp