text: -- 22/05/2015 - documents manager
  DROP TABLE IF EXISTS `documents`;
  CREATE TABLE `documents` (
    `id` INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,
    `name` VARCHAR(100) NULL,
    `code` VARCHAR(100) NULL,
    `filename` VARCHAR(100) NULL,
    `description` TEXT NULL,
    `created_by` INT(11) NOT NULL,
    `created_dtm` DATETIME NOT NULL,
    `modified_dtm` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    `deleted` TINYINT(1) NOT NULL DEFAULT '0',
    PRIMARY KEY (`id`)
  ) ENGINE=INNODB DEFAULT CHARSET=utf8 COLLATE=utf8_general_ci;