<?php

mysql_connect('localhost','root','');

mysql_select_db('mysql');

mysql_query('set names utf8');

$query = mysql_query('select*from mysql');

$res = mysql_fetch_array($query);

print_r($res);

?>

Warning: mysql_fetch_array() expects parameter 1 to be resource, boolean given in C:\wamp\www\test.php on line 6