mysql修改表、列編碼 mysql修改表、列編碼 -- 修改表編碼 ALTER TABLE `uc_users_bak` DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci -- 修改列編碼 ALTER TABLE `uc_users_bak` CHANGE `nick_name` `nick_name` VARCHAR( 100 ) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL