Vazba
SQL vazba z tabulky PID_POL na tabulku PID_HL
select *
from PID_POL pid_pol
left outer join PID_HL pid_hl on pid_hl.idpk = pid_pol.idpk_hl
select *
from PID_POL pid_pol
left outer join PID_HL pid_hl on pid_hl.idpk = pid_pol.idpk_hl