collegare 3 tabelle MySql

[piero.mac]

$sql3 = "SELECT *
	 FROM utente_causale AS a 
	 LEFT JOIN causale AS b ON b.causale_id = a.causale_id
	 LEFT JOIN utenti AS c ON c.utenti_id = a.utente_id
	 GROUP BY c.nome, c.cognome
        ";