Default database for sessions store

application/config/config_example.php

@@ -367,10 +367,10 @@ $config['encryption_key'] = '';
 | except for 'cookie_prefix' and 'cookie_httponly', which are ignored here.
 |
 */
-$config['sess_driver'] = 'files';
+$config['sess_driver'] = 'database';
 $config['sess_cookie_name'] = 'session';
 $config['sess_expiration'] = 7200;
-$config['sess_save_path'] = NULL;
+$config['sess_save_path'] = 'sessions';
 $config['sess_match_ip'] = FALSE;
 $config['sess_time_to_update'] = 300;
 $config['sess_regenerate_destroy'] = FALSE;