select max(sconto) scontoMax from prodottiVarianti where prodotto = - You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '' at line 1select * from prodottiVarianti where prodotto = order by prezzo - You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'order by prezzo' at line 2