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数据库课程设计-教学管理系统.doc

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数据库课程设计 教学管理系统 ———————————————————————————————— 作者: ———————————————————————————————— 日期: 2 个人收集整理 勿做商业用途 学校教务管理的数据库设计 学生表 drop table student create table student (Sno char(40) primary key, Sname char(40), Ssex char(2), Sclass char(20), Sclassno char(20), Sbirthday datetime, Shome char(40), Sdept char(40), ); insert into student values ('12232617’,’Victor ’,'男’,'英语','082’,’2/1/1990’,'America','07’); insert into student values (’12232621’,’Susan’,’女','英语','083',’1/25/1990',’japan','07’); insert into student values ('12232625',’Carlos’,’男’,’广告设计’,'082',’2/12/1990','America','01’); insert into student values ('12232627’,’Dave’,’男',’电子商务’,'082','10/1/1989',’America’,'02'); insert into student values ('12232628',’Gaby','女’,’金融','081’,'1/12/1990',’Italy',’04’); insert into student values (’12232629',’Lynette’,'女','会计’,'082','9/12/1989’,'Britain’,’05’); insert into student values (’12232636’,'Bree’,'女',’会计’,’082','11/18/1989’,'Italy',’05’); insert into student values ('12232645’,'tom’,’男','数学',’081’,'12/22/1989','Britain’,’06'); insert into student values (’12232631',’zach',’男','国际贸易','081',’4/16/1990’,’Japan',’03’); insert into student values (’12232641',’Karl’,'男','计算机','082’,’6/8/1990',’Britain’,'08’); insert into student values ('12232633','Edie’,'女’,'广告设计',’083','12/11/1989’,’Holland’,'01'); insert into student values ('12232643','Dylan’,'女’,’数学','082',’4/20/1990’,'Britain',’06’); insert into student values ('12232610’,'John',’男',’金融’,'081','11/25/1989',’America’,’04’); insert into student values ('12232620’,'Mike’,’男’,’计算机',’082’,’12/30/1989',’China',’08’); 系表 drop table department create table department (Sdept char(40)primary key, Dname char(9), Dmaster char(20) ); insert into department values (’01’,'广告设计','zt’); insert into department values ('02’,'电子商务',’bc’); insert into department values (’03','国际贸易’,'kl’); insert into department values ('04','金融','nn'); insert into department values ('05’,'会计','jr'); insert into department values ('06’,'数学’,'ed’); insert into department values (’07',’英语’,'mj’); insert into department values (’08','计算机’,'ry'); 教师表 drop table teacher create table teacher (Tno char(9)primary key, Tname char(20), Tclass char(20), Twork char(20) ); insert into teacher values ('001’,’赵老师','特级教师’,’线性代数’); insert into teacher values (’002','钱老师’,'教授’,'解析几何'); insert into teacher values ('003’,'孙老师’,'教授','金融’); insert into teacher values ('004',’李老师’,'高级教师','数据库’); insert into teacher values (’005’,’彭老师','高级教师’,’课程设计’); insert into teacher values (’006’,’贾老师’,’高级教师','会计’); insert into teacher values ('007','尤老师’,'高级教师',’计算机’); insert into teacher values (’008',’耿老师’,'教授’,’英语’); 课程表 drop table course create table course (Cno char(4) primary key, Cname char(40), Ccredit smallint ); alter table course add sort char (10); insert into course values ('0001',’线性代数’,’3’,'必修’); insert into course values ('0002’,’二外日语’,’4’,’修'); insert into course values ('0003’,'数据库’,’2’,’必修’); insert into course values ('0004’,’第三方物流','2’,’选修'); insert into course values ('0005','大学英语','4’,’必修'); insert into course values (’0006’,’课程设计','2’,’任选’); 项目表 drop table project create table project (Pno char(9)primary key, Pname char(20), Pman char(20) ); insert into project values (’07','project1’,’cici') insert into project values (’08','project2’,'gigi’) insert into project values (’09’,’project3','coco') insert into project values (’10’,'project4’,'june') 选课表 drop table sc create table sc (Sno char(9), Cno char(4), Grade smallint, primary key (Sno,Cno), ); insert into sc values (’12232617’,’0001’,'85’); insert into sc values ('12232617',’0002','68'); insert into sc values (’12232617','0003','96'); insert into sc values (’12232621’,'0005','81'); insert into sc values (’12232621','0001','92'); insert into sc values ('12232621','0002’,’92'); insert into sc values (’12232621’,’0003’,’92'); insert into sc values ('12232625’,’0005',’92'); insert into sc values (’12232625’,'0004',’92'); insert into sc values (’12232625’,’0001','78'); insert into sc values (’12232625’,'0002',’78’); insert into sc values ('12232627’,’0003’,'78'); insert into sc values (’12232627',’0005','78’); insert into sc values (’12232627’,'0004',’78'); insert into sc values ('12232627’,'0006’,’78’); insert into sc values ('12232628’,'0001','61'); insert into sc values (’12232628’,’0002’,'61'); insert into sc values ('12232628’,’0003’,'61'); insert into sc values ('12232628',’0005',’61'); insert into sc values (’12232629’,'0004’,'61'); insert into sc values (’12232629’,’0006’,’61'); insert into sc values (’12232629',’0001’,’85’); insert into sc values ('12232629','0002','85'); insert into sc values ('12232636',’0003','85’); insert into sc values (’12232636’,’0005’,'85'); insert into sc values ('12232636’,’0006',’85’); insert into sc values ('12232636','0003','65'); insert into sc values ('12232645','0005','65'); insert into sc values (’12232645’,’0001',’65'); insert into sc values ('12232645',’0002',’65’); insert into sc values ('12232645’,’0005’,'90'); insert into sc values ('12232631','0003’,’90’); insert into sc values ('12232631’,'0001’,'90’); insert into sc values ('12232631',’0004’,'90’); insert into sc values ('12232631',’0002’,’90’); insert into sc values ('12232641',’0001',’80'); insert into sc values (’12232641',’0002’,'80’); insert into sc values ('12232641',’0003’,'80'); insert into sc values ('12232641','0005',’80’); insert into sc values (’12232633’,’0004’,’80'); insert into sc values (’12232633’,’0006’,’80'); insert into sc values ('12232633’,'0002',’82’); insert into sc values ('12232633',’0001','82’); insert into sc values ('12232637’,'0003','82’); insert into sc values ('12232637',’0005’,’82'); insert into sc values ('12232637',’0006','82’); insert into sc values ('12232637’,’0001’,’79’); insert into sc values ('12232643’,’0002’,'79’); insert into sc values ('12232643','0003’,’79'); insert into sc values (’12232643’,'0005’,'79'); insert into sc values (’12232643’,’0004',’79’); insert into sc values ('12232610',’0001',’83’); insert into sc values (’12232610’,'0003','83’); insert into sc values (’12232610’,'0002’,’83'); insert into sc values (’12232610’,’0005',’83’); insert into sc values (’12232620’,’0006',’83'); insert into sc values (’12232620','0004','79’); insert into sc values ('12232620’,'0005','62’); insert into sc values (’12232620’,'0002','83’); 所有来自china的男生 select Sname frome student where Shome=’china'and Ssex=’男’; 所有0005号课程成绩>90的同学 select Sname from student,sc where student。Sno=sc.Sno and sc.Cno='0005’ and sc。Grade〉'90’ 教授课程设计的老师 select Tname from teacher where Twork=’课程设计’ 某班年龄最大的2名同学 select Top 2* from student where Sclass =’会计'AND Sclassno=’082’ order by Sbirthday asc; 1989年以后出生的女同学 select Sname from student where Sbirthday>'1/1/1989’ and Ssex=’女' 选修0004课程的学生及其成绩 select Sname,Grade from student,sc where student.Sno=sc.sno and Cno='0004’ 没有授课的教师 select Tname from teacher where Twork=' ' 某学生所选课程的总学分 select sum(Ccredit) from sc ,course where Sno='12232620' and sc。cno=course。cno 电子商务学生所学的所有课程 select distinct course.Cname from student,course,sc,department where student。Sno=sc.Sno and o=o and student。Sdept=department。Sdept and Dname='电子商务' 按总学分找出某系学习最好的2名同学 select top 5 Sname,sum(Ccredit) from student,sc,course,department where student.Sno=sc.Sno and course.Cno=sc。Cno and student.Sdept=department.Sdept and Dname='金融’ group by student.Sname 按总学分积找出某系学习最好的5名同学 select top 5 Sname,sum((Grade-50)/10*Ccredit) from student,sc,course,department where student。Sno=sc。Sno and course。Cno=sc.Cno and student。Sdept=department.Sdept and Dname=’会计’ group by student.Sname 教授12232620学生必修课程的老师情况 select Tno,Tname,teacher。Tclass,Twork from student,sc,course,teacher where student.Sno='12232610’ and teacher.Twork=course.Cname and course。Cno=sc.Cno 12232610选修了那些系的课程 select DISTINCT Dname from sc,teacher,department where sc。cno in (select cno from sc where sno='12232610’) 数据库心得
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