Vazba
SQL vazba z tabulky O0SIGNI_SCH1 na tabulku O0CISELNIK
select *
from O0SIGNI_SCH1 o0signi_sch1
left outer join O0CISELNIK o0ciselnik on o0ciselnik.idpk = o0signi_sch1.idpk_o0signiro
select *
from O0SIGNI_SCH1 o0signi_sch1
left outer join O0CISELNIK o0ciselnik on o0ciselnik.idpk = o0signi_sch1.idpk_o0signiro