Código PHP:
$bd_host = "localhost";
$bd_usuario = "root";
$bd_password = "password";
$bd_base = "nombrebasedatos";
$dbh = mysql_connect($bd_host, $bd_usuario, $bd_password) or die ('I cannot connect to the database because: ' . mysql_error());
mysql_select_db($bd_base, $dbh);
