Vazba
SQL vazba z tabulky PVF_DANR na tabulku PVF_HL
select *
from PVF_DANR pvf_danr
left outer join PVF_HL pvf_hl on pvf_hl.idpk = pvf_danr.idpk_hlavicky
select *
from PVF_DANR pvf_danr
left outer join PVF_HL pvf_hl on pvf_hl.idpk = pvf_danr.idpk_hlavicky