查询表中某个字段的值出现次数大于1的数据
select *from [dbo].[odr_ship_order_item] where isbn in (select isbn from odr_ship_order_item group by isbn having count(isbn) = 1)
select *from [dbo].[odr_ship_order_item] where isbn in (select isbn from odr_ship_order_item group by isbn having count(isbn) = 1)