nieco sa mi podarilo . . .
.... case when row_number() OVER(PARTITION BY priezvisko order by meno) =1 then priezvisko else NULL end, meno, . . . .
ale bez prazdneho riadka zatial
nieco sa mi podarilo . . .
.... case when row_number() OVER(PARTITION BY priezvisko order by meno) =1 then priezvisko else NULL end, meno, . . . .
ale bez prazdneho riadka zatial