CREATE TABLE `users` ( 
  `id` INT NOT NULL AUTO_INCREMENT ,
  `email` VARCHAR(255) NOT NULL ,
  `username` VARCHAR(255) NOT NULL ,
  `password` VARCHAR(255) NOT NULL ,
  `givenName` VARCHAR(255) NOT NULL DEFAULT '' ,
  `lastName` VARCHAR(255) NOT NULL DEFAULT '' ,
  `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ,
  `updated_at` TIMESTAMP on update CURRENT_TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ,
  PRIMARY KEY (`id`), UNIQUE (`email`), UNIQUE (`username`)
) ENGINE = InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;