快速业务通道

50个常用sql语句

作者 佚名技术 来源 数据库编程 浏览 发布时间 2012-03-21
第 6 名的学生成绩单:企业管理(001),马克思(002),UML (003),数据库(004)
    [学生ID],[学生姓名],企业管理,马克思,UML,数据库,平均成绩
    SELECT  DISTINCT top 3
      SC.S# As 学生学号,
        Student.Sname AS 学生姓名 ,
      T1.score AS 企业管理,
      T2.score AS 马克思,
      T3.score AS UML,
      T4.score AS 数据库,
      ISNULL(T1.score,0) + ISNULL(T2.score,0) + ISNULL(T3.score,0) + ISNULL(T4.score,0) as 总分
      FROM Student,SC  LEFT JOIN SC AS T1
                      ON SC.S# = T1.S# AND T1.C# = ''001''
            LEFT JOIN SC AS T2
                      ON SC.S# = T2.S# AND T2.C# = ''002''
            LEFT JOIN SC AS T3
                      ON SC.S# = T3.S# AND T3.C# = ''003''
            LEFT JOIN SC AS T4
                      ON SC.S# = T4.S# AND T4.C# = ''004''
      WHERE student.S#=SC.S# and
      ISNULL(T1.score,0) + ISNULL(T2.score,0) + ISNULL(T3.score,0) + ISNULL(T4.score,0)
      NOT IN
      (SELECT
            DISTINCT
            TOP 15 WITH TIES
            ISNULL(T1.score,0) + ISNULL(T2.score,0) + ISNULL(T3.score,0) + ISNULL(T4.score,0)
      FROM sc
            LEFT JOIN sc AS T1
                      ON sc.S# = T1.S# AND T1.C# = ''k1''
            LEFT JOIN sc AS T2
                      ON sc.S# = T2.S# AND T2.C# = ''k2''
            LEFT JOIN sc AS

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