Vazba
SQL vazba z tabulky PGEN_POL na tabulku OSOUV
select *
from PGEN_POL pgen_pol
left outer join OSOUV osouv on osouv.idpk = pgen_pol.idpk_osouv
select *
from PGEN_POL pgen_pol
left outer join OSOUV osouv on osouv.idpk = pgen_pol.idpk_osouv