Vazba
SQL vazba z tabulky PSOUV na tabulku PSOUVIMP
select *
from PSOUV psouv
left outer join PSOUVIMP psouvimp on psouvimp.idpk = psouv.idpk_import
select *
from PSOUV psouv
left outer join PSOUVIMP psouvimp on psouvimp.idpk = psouv.idpk_import