MS SQL 取分组后的一条数据

时间：2014-10-22 10:57:31 收藏：0 阅读：205

select apkmd5,libraryid from apk as tem  where apkid=(select top 1 apkid from apk where libraryid=tem.libraryid order by apkdate desc)

总感觉怪怪的