摘要: --- //查找左边不存在数据,不能用 = '' SELECT m.uid FROM es_members m LEFT JOIN es_user_self_care_assessment u ON m.uid = u.user_id WHERE u.user_id IS NULL //合并起来查找 #(YEAR (NOW()) - substri... 阅读全文
posted @ 2017-08-28 14:20 freedom/cn 阅读(440) 评论(0) 推荐(0) 编辑