CREATE TABLE `knowledge` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `name` varchar(100) NOT NULL,
  `knowledge_category_id` int(11) NOT NULL,
  `file` varchar(255) NOT NULL,
  `crated_at` datetime NOT NULL,
  `sortable` int(11) NOT NULL,
  `is_active` tinyint(1) NOT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1