SHOW FULL COLUMNS FROM `pre_column`
SHOW CREATE TABLE `pre_column`
SELECT * FROM `pre_column` `t` WHERE `t`.`id`='100849' LIMIT 1
【山东】 山东攻略 - 山东游记 - 此刻、约伴、问答 - 十六番
山东SELECT * FROM `pre_column` `t` WHERE `t`.`id`='100849' LIMIT 1
SELECT colid,classify FROM {{column_relation}} WHERE tocolid = 100002 AND classify IN ('belongx','belongs','belongd') order BY colid DESC
SELECT id,title FROM {{column}} WHERE id IN (0,100002,100849) ORDER BY FIELD(id, 0,100002,100849)