me da estos dos warnings ejecutando consultas

[joja_2]

Mi script de conexion en un directorio externo a la web:

<?php
# FileName="Connection_php_mysql.htm"
# Type="MYSQL"
# HTTP="true"
$hostname_xxx = "localhost";
$database_xxx = "xxx";
$username_xxx = "root";
$password_xxx = "";
$link = mysql_pconnect($hostname_xxx, $username_xxx, $password_xxx) or die(mysql_error());
//$link = mysqli_connect($hostname_xxx, $username_xxx, $password_xxx) or die(mysql_error());
?>