1.相关数据表 Score表
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[User]表
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SQL语句如下：
<div class=”codetitle”><a style=”CURSOR: pointer” data=”26496″ class=”copybut” id=”copybut26496″ onclick=”doCopy(‘code26496’)”> 代码如下:<div class=”codebody” id=”code26496″>
–查询出各科成绩最好的学生信息
–自连接
–SELECT TOP 1 * FROM Score B WHERE B.ScoreName = ‘数学’ ORDER BY B.Score DESC SELECT A.ID,U.Name,A.ScoreName,A.Score
FROM Score A,[User]U
WHERE UID IN (SELECT TOP 1 UID
FROM Score B
WHERE B.ScoreName = A.ScoreName
ORDER BY B.Score DESC) AND A.UID=U.ID
ORDER BY A.ScoreName,A.Score DESC

查询结果如下图：
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