CREATE TABLE `users` (
  `id` varchar(15) NOT NULL,
  `firstname` varchar(30) NOT NULL,
  `lastname` varchar(30) NOT NULL,
  `email` varchar(30) NOT NULL,
  `password` varchar(30) NOT NULL,
  `country` varchar(30) NOT NULL,
  `birthdate` date NOT NULL,
  UNIQUE KEY `id` (`id`)
);