Vazba
SQL vazba z tabulky PZAPOCET na tabulku PVF_HL
select *
from PZAPOCET pzapocet
left outer join PVF_HL pvf_hl on pvf_hl.idpk = pzapocet.idpk_pvf
select *
from PZAPOCET pzapocet
left outer join PVF_HL pvf_hl on pvf_hl.idpk = pzapocet.idpk_pvf