摘要: SELECT base.* from(select id_no,COUNT(*) from aim.aim_t_cust_base GROUP BY id_no HAVING COUNT(*) >1) as t left join aim.aim_t_cust_base base on t.id_n 阅读全文
posted @ 2019-06-12 14:52 毛会懂 阅读(180) 评论(0) 推荐(0) 编辑
摘要: 实例1: SET @ID = 0; SELECT AVG(loan_amount) from ( SELECT @ID:=@ID+1 as ID, loan_amount FROM table_xxx ORDER BY loan_amount ) a where IF( ROUND(@ID/2,0) 阅读全文
posted @ 2019-06-12 11:37 毛会懂 阅读(241) 评论(0) 推荐(0) 编辑