Vazba
SQL vazba z tabulky PSTAVUCTO na tabulku PID_HL
select *
from PSTAVUCTO pstavucto
left outer join PID_HL pid_hl on pid_hl.idpk = pstavucto.idpk_pid
select *
from PSTAVUCTO pstavucto
left outer join PID_HL pid_hl on pid_hl.idpk = pstavucto.idpk_pid