CREATE TABLE tabela (
id INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
category INT(11) NOT NULL,
title VARCHAR(30) NOT NULL
);

INSERT INTO `tabela` (`id`, `category`, `title`) VALUES
(31, 1, 'Title1'),
(32, 1, 'Title2'),
(33, 5, 'Title3'),
(34, 5, 'Title4'),
(35, 5, 'Title5'),
(36, 6, 'Title6'),
(37, 6, 'Title7'),
(38, 6, 'Title8'),
(39, 8, 'Title9'),
(40, 8, 'Title10'),
(41, 9, 'Title11');