标签：style 重复数 group having ble sel nbsp 重复 class
delete from table where
order_no in (select orderno from (select order_no as orderno from table group by order_no having count(order_no) > 1) a)
and id not in (select pid from (select min(id) as pid from table group by order_no having count(order_no) > 1 ) b)
标签：style 重复数 group having ble sel nbsp 重复 class
原文地址：https://www.cnblogs.com/xueyicanfei/p/13070331.html
