随笔分类 - SQL

摘要：通过group by查找某个字段的重复值select p.CIID,count(p.CIID) from T_PaymentInformation p group by p.CIID having count(p.CIID)>1; 阅读全文

posted @ 2015-04-27 15:53 Futbyte 阅读(143) 评论(0) 推荐(0)