Vazba
SQL vazba z tabulky PTD na tabulku O0CISELNIK
select *
from PTD ptd
left outer join O0CISELNIK o0ciselnik on o0ciselnik.idpk = ptd.idpk_ctyp
select *
from PTD ptd
left outer join O0CISELNIK o0ciselnik on o0ciselnik.idpk = ptd.idpk_ctyp