hvang1988: INSERT INTO `abc`.`test`(`id`, `num`, `mb4`) VALUES (1, '1', '啊'); INSERT INTO `abc`.`test`(`id`, `num`, `mb4`) VALUES (2, '2', '吧啊'); INSERT INTO `abc`.`test`(`id`, `num`, `mb4`) VALUES (3, '3', '从啊'); INSERT INTO `abc`.`test`(`id`, `num`, `mb4`) VALUES (4, '4', '的啊'); INSERT INTO `abc`.`test`(`id`, `num`, `mb4`) VALUES (5, '5', '吧'); INSERT INTO `abc`.`test`(`id`, `num`, `mb4`) VALUES (6, '7', '额'); CREATE TABLE `test` ( `id` int(11) NOT NULL, `num` varchar(20) DEFAULT NULL, `mb4` varchar(10) DEFAULT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8
sql的explain的filtered的详细信息
sql的explain的filtered的详细信息