摘要: 实例:select userid,SignId,UserFullName , count(roleid) from dbo.View_SignInfo where userid=27 group by userid,UserFullName,SignId代码解释:列值不同的列是:roleid列值相同的列是:userid,SignId,UserFullName 阅读全文
posted @ 2012-09-05 09:42 偶不是大叔 阅读(1556) 评论(0) 推荐(0) 编辑