MySQL: Tabela contendo intervalo de horas de 15 em 15 min

CREATE TABLE IF NOT EXISTS `horarios` (
  `id` INT AUTO_INCREMENT,
  `horario` VARCHAR(5) NOT NULL,
  PRIMARY KEY (`id`) )
ENGINE = InnoDB;

CREATE TABLE IF NOT EXISTS `horarios` ( `id` INT AUTO_INCREMENT, `horario` VARCHAR(5) NOT NULL, PRIMARY KEY (`id`) ) ENGINE = InnoDB;

INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '07:00');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '07:15');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '07:30');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '07:45');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '08:00');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '08:15');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '08:30');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '08:45');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '09:00');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '09:15');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '09:30');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '09:45');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '10:00');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '10:15');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '10:30');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '10:45');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '11:00');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '11:15');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '11:30');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '11:45');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '12:00');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '12:15');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '12:30');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '12:45');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '13:00');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '13:15');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '13:30');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '13:45');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '14:00');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '14:15');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '14:30');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '14:45');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '15:00');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '15:15');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '15:30');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '15:45');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '16:00');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '16:15');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '16:30');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '16:45');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '17:00');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '17:15');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '17:30');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '17:45');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '18:00');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '18:15');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '18:30');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '18:45');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '19:00');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '19:15');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '19:30');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '19:45');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '20:00');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '20:15');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '20:30');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '20:45');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '21:00');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '21:15');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '21:30');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '21:45');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '22:00');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '22:15');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '22:30');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '22:45');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '23:00');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '23:15');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '23:30');
INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '23:45');

INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '07:00'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '07:15'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '07:30'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '07:45'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '08:00'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '08:15'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '08:30'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '08:45'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '09:00'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '09:15'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '09:30'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '09:45'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '10:00'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '10:15'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '10:30'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '10:45'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '11:00'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '11:15'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '11:30'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '11:45'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '12:00'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '12:15'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '12:30'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '12:45'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '13:00'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '13:15'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '13:30'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '13:45'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '14:00'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '14:15'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '14:30'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '14:45'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '15:00'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '15:15'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '15:30'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '15:45'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '16:00'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '16:15'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '16:30'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '16:45'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '17:00'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '17:15'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '17:30'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '17:45'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '18:00'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '18:15'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '18:30'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '18:45'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '19:00'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '19:15'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '19:30'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '19:45'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '20:00'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '20:15'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '20:30'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '20:45'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '21:00'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '21:15'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '21:30'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '21:45'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '22:00'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '22:15'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '22:30'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '22:45'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '23:00'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '23:15'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '23:30'); INSERT INTO `horarios` (`id`, `horario`) VALUES (NULL, '23:45');