Vazba
SQL vazba z tabulky PID_HL na tabulku O1CISELN
select *
from PID_HL pid_hl
left outer join O1CISELN o1ciseln on o1ciseln.ciselnik = pid_hl.mena_cis and o1ciseln.klic1 = pid_hl.mena_klic
select *
from PID_HL pid_hl
left outer join O1CISELN o1ciseln on o1ciseln.ciselnik = pid_hl.mena_cis and o1ciseln.klic1 = pid_hl.mena_klic