--------models/eazyteldb.php---------------------------------------------------------------------------

class Eazyteldb CI_Model {
    function __construct()
    {
        parent::__construct();
    }

}




---------controllers/home.PHP---------------------------------------------------------------------------
<?php
class Home extends CI_Controller {

    function index()
    {



        $config['hostname'] = "localhost";
        $config['username'] = "root";
        $config['password'] = "1234";
        $config['database'] = "customersbackup";
        $config['dbdriver'] = "mysql";
        $config['dbprefix'] = "";
        $config['pconnect'] = FALSE;
        $config['db_debug'] = TRUE;

                $this->load->model('Eazyteldb','',$config);





        $this->load->helper('url');
        $this->load->view('home');
    }
}
?>