$pdo->query('CREATE TABLE `users` (
        `id_user` int(11) NOT NULL,
        `full_name` varchar(50) COLLATE utf8_polish_ci NOT NULL,
        `login` varchar(50) COLLATE utf8_polish_ci NOT NULL,
        `password` varchar(50) COLLATE utf8_polish_ci NOT NULL,
        `register_a` date NOT NULL,
        `is_admin` tinyint(1) NOT NULL,
        `added_at` date NOT NULL,
        `modified_at` date NOT NULL
      ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_polish_ci;');

    $pdo->query('CREATE TABLE `posts` (
        `id_post` int(11) NOT NULL,
        `id_user` int(11) NOT NULL,
        `name` varchar(50) COLLATE utf8_polish_ci NOT NULL,
        `content` varchar(50) COLLATE utf8_polish_ci NOT NULL,
        `added_at` date NOT NULL,
        `modified_at` date NOT NULL
      ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_polish_ci;');

    $pdo->query('CREATE TABLE `komments` (
        `id_komment` int(11) NOT NULL,
        `id_post` int(11) NOT NULL,
        `content` varchar(50) COLLATE utf8_polish_ci NOT NULL,
        `added_at` date NOT NULL,
        `modified` date NOT NULL
      ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_polish_ci;');