Vazba
SQL vazba z tabulky PFPLAN_POL na tabulku PFPLAN_HL
select *
from PFPLAN_POL pfplan_pol
left outer join PFPLAN_HL pfplan_hl on pfplan_hl.idpk = pfplan_pol.idpk_hl
select *
from PFPLAN_POL pfplan_pol
left outer join PFPLAN_HL pfplan_hl on pfplan_hl.idpk = pfplan_pol.idpk_hl