Vazba
SQL vazba z tabulky D1PSU na tabulku O0CISELNIK
select *
from D1PSU d1psu
left outer join O0CISELNIK o0ciselnik on o0ciselnik.idpk = d1psu.idpk_czisco
select *
from D1PSU d1psu
left outer join O0CISELNIK o0ciselnik on o0ciselnik.idpk = d1psu.idpk_czisco