mysql 两个表数据做对比
摘要:
表a 和 表b中对比一个字段,sql如下: select if(a.sku_fee=b.sku_fee,0,1) as ss from bill_info a,bill_info b where a.multi_channel_order_no = b.multi_channel_order_no 阅读全文
posted @ 2016-08-30 20:58 wonder2636 阅读(6717) 评论(0) 推荐(0) 编辑