摘要: 代码格式如下: select * from BillConsume where obId in (select obId from OpenBills where clearTheMarket is null or clearTheMarket=0) 要注意的是:in后面的查询语句必须是查询一个字段 阅读全文
posted @ 2020-12-05 15:44 骇客黑界 阅读(10673) 评论(0) 推荐(0) 编辑