摘要:
1.row_number()select row_number() over (order by score desc) as rownumber, aa.examname, aa.studentid, aa.scorefrom( select examname,studentid,score fr... 阅读全文
摘要:
在SQL Server 2008 SSMS中执行下面的语句:create database test --创建数据库gouse testgocreate table t_random(name nvarchar(10) not null,salary decimal(5,0) not null) -... 阅读全文