Vazba
SQL vazba z tabulky rpv na tabulku rk
select *
from rpv rpv
inner join rk rk on rk.rk_fi = rpv.rpv_fi and rk.rk_sa = rpv.rpv_sa and rk.rk_nr = rpv.rpv_rk_nr
select *
from rpv rpv
inner join rk rk on rk.rk_fi = rpv.rpv_fi and rk.rk_sa = rpv.rpv_sa and rk.rk_nr = rpv.rpv_rk_nr