学生成绩管理数据库的建立.doc
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课程设计报告
课程名称： 数据库系统原理
设计题目： 学生成绩管理数据库的建立
指导教师：
时 间： 2010 ～ 2011 学年第 二 学期
南京人口学院信息科学系
课程设计课程设计要求SELECT S.NAME FROM S WHERE ((s.sex=男));
查询结果：
2）SQL语句：SELECT S.* FROM S WHERE (((S.CLASSNO) Not Like 2031));
查询结果：
3）SQL语句：SELECT C.CNAME, C.XF, C.TNO
FROM C
WHERE (((C.TNO) Like 1));
查询结果：
4）SQL语句：SELECT S.*
FROM S INNER JOIN G ON S.SNO=G.SNO
WHERE G.CNO Like c11 And EXISTS(SELECT * FROM G AS G2
WHERE G.SNO=G2.SNO AND G2.CNO Like c23 );
查询结果：
5）SQL语句：SELECT S.NAME, S.SNO
FROM (S INNER JOIN G ON S.SNO = G.SNO) INNER JOIN C ON G.CNO = C.CNO
WHERE (((G.CNO)=c11 Or (G.CNO)=c12 Or (G.CNO)=c21))
GROUP BY S.NAME, S.SNO;
查询结果：
6）SQL语句：SELECT S.NAME, S.SNO
FROM S INNER JOIN G ON S.SNO = G.SNO
WHERE (((G.CNO)=c13));
查询结果：
7）SQL语句：
SELECT S.SNO, G.CNO, C.CNAME
FROM (S INNER JOIN G ON S.SNO=G.SNO) INNER JOIN C ON G.CNO=C.CNO
WHERE (((S.SNO) Like s101) AND ((Exists (SELECT * FROM G AS G2 WHERE G.CNO=G2.CNO AND G2.SNO LIKE s102))False));
查询结果：
8）SQL语句：SELECT C.* FROM C
WHERE (((C.CNO) Not In (SELECT G.CNO FROM G)));
查询结果：
9）SQL语句：
SELECT S.SNO, Avg(G.GRADE) AS GREAT之平均值, Sum(G.GRADE) AS GREAT之总计
FROM S INNER JOIN G ON S.SNO=G.SNO
GROUP BY S.SNO;
查询结果：
10）SQL语句：SELECT S.NAME, S.SNO, Count(G.GRADE) AS GRADE之计数
FROM S INNER JOIN G ON S.SNO=G.SNO
WHERE (((G.GRADE)90))
GROUP BY S.NAME, S.SNO
HAVING (((Count(G.GRADE))2));
查询结果：
11）SQL语句：
SELECT S.SNO, S.NAME, Sum(G.GRADE) AS GREAT之总计
FROM S INNER JOIN G ON S.SNO=G.SNO
GROUP BY S.SNO, S.NAME
HAVING Sum(G.GRADE)200;
查询结果：
12）SQL语句：
SELECT C.CNAME, C.CNO, Count(G.GRADE) AS GRADE之计数
FROM (S INNER JOIN G ON S.SNO = G.SNO) INNER JOIN C ON G.CNO = C.CNO
GROUP BY C.CNAME, C.CNO
HAVING (((Count(G.GRADE))10));
查询结果：
13）SQL语句：SELECT S.NAME, Count(G.GRADE) AS GRADE之计数
FROM S INNER JOIN G ON S.SNO=G.SNO
WHERE (((G.GRADE)60))
GROUP BY S.NAME
HAVING (((Count(G.GRADE))=4));
查询结果：
14）SQL语句：SELECT C.TNO, T.NAME, Sum(C.XF) AS XF之总计
FROM C INNER JOIN T ON C.TNO=T.TNO
GROUP BY C.TNO, T
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