Vazba
SQL vazba z tabulky PVYK na tabulku O0CISELNIK
select *
from PVYK pvyk
left outer join O0CISELNIK o0ciselnik on o0ciselnik.idpk = pvyk.idpk_jednotky
select *
from PVYK pvyk
left outer join O0CISELNIK o0ciselnik on o0ciselnik.idpk = pvyk.idpk_jednotky