if(EXISTS( SELECT * FROM sysobjects
WHERE ID = OBJECT_ID('student'))) drop table studentcreate table student( stuid char(10) not null, stuname varchar(50) not null)insert into student values('050614001','张三')insert into student values('050614002','李四')insert into student values('050614003','王二')insert into student values('050614004','黑六')if(EXISTS( SELECT * FROM sysobjects WHERE ID = OBJECT_ID('subject'))) drop table subjectcreate table subject( sid int not null, sname varchar(50) not null)insert into subject values(1,'语文')insert into subject values(2,'数学')insert into subject values(3,'英语')insert into subject values(4,'物理')insert into subject values(5,'化学')if(EXISTS( SELECT * FROM sysobjects WHERE ID = OBJECT_ID('score'))) drop table scorecreate table score( stuid char(10) not null, sid int not null, score int not null)insert into score values('050614001',1,87)insert into score values('050614001',2,89)insert into score values('050614001',3,90)insert into score values('050614002',5,70)insert into score values('050614002',1,91)insert into score values('050614002',2,92)insert into score values('050614004',3,93)insert into score values('050614003',1,94)insert into score values('050614003',2,95)insert into score values('050614003',3,86) declare @strSQL varchar(8000)SET @strSQL = 'select student.stuName [姓名]'select @strSQL = @strSQL + ',SUM(CASE subject.SNAME WHEN ''' + SNAME + ''' THEN score.[Score] END) [' + SNAME + ']' FROM (SELECT SNAME FROM [Subject]) AS tmpset @strSQL = @strSQL + ',sum(score) as 总分 from student left join score on student.stuId = score.stuid left join subject on score.sid = subject.sidGROUP BY student.STUID, student.STUNAMEorder by 总分 desc'exec (@strSQl)
SQL SERVER 2005 中,已经有实现此功能的内置方法了。