SELECT a.id,a.content_title,a.url,a.content,a.category_id,a.level3_name as category_name,a.create_date_time,a.update_date_time,a.create_by,a.update_by,
SELECT a.id,a.content_title,a.url,a.category_id,a.level3_name as category_name,a.create_date_time,a.update_date_time,a.create_by,a.update_by,
a.state,a.`level_id2`,ccy.parent_id as `level_id1`
FROM (select cc.`id`,cc.`content_title`,cc.`url`,cc.`content`,cc.`category_id`,ccy.`name` as level3_name,
FROM (select cc.`id`,cc.`content_title`,cc.`url`,cc.`category_id`,ccy.`name` as level3_name,
cc.`create_date_time`,cc.`update_date_time`,cc.`create_by`,cc.`update_by`,cc.`state`,ccy.parent_id as level_id2