 
 CREATE TABLE `prefix_members` (
   `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
-  `password` varchar(64) NOT NULL DEFAULT '',
-  `email` varchar(100) NOT NULL DEFAULT '',
+  `password` varchar(64) DEFAULT NULL,
+  `email` varchar(100) DEFAULT NULL,
   `role_id` smallint(1) NOT NULL DEFAULT '0',
   `created` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
   `is_active` smallint(1) NOT NULL DEFAULT '1',

CREATE TABLE `prefix_navigation_menu` (
  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
  `label` varchar(100) NOT NULL DEFAULT 'Home',
  `title` varchar(100) NOT NULL,
  `module` varchar(100) NOT NULL DEFAULT 'default',
  `controller` varchar(100) NOT NULL DEFAULT 'index',
  `action` varchar(100) NOT NULL DEFAULT 'index',
  `visible` tinyint(1) NOT NULL DEFAULT '1',
  `left_column_id` int(11) NOT NULL,
  `right_column_id` int(11) NOT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=11 DEFAULT CHARSET=utf8;


DROP TABLE IF EXISTS `prefix_session`;

CREATE TABLE `prefix_session` (
  `id` char(32) DEFAULT NULL,
  `modified` int(11) NOT NULL DEFAULT '0',
  `lifetime` int(11) NOT NULL DEFAULT '0',
  `user_agent` varchar(255) DEFAULT NULL,
  `data` text,
  PRIMARY KEY (`id`)
