1.学生表Student(SId,Sname,Sage,Ssex)

SId 学生编号,Sname 学生姓名,Sage 出生年年月,Ssex 学生性别

  1. create table Student(SId varchar(10),Sname varchar(10),Sage datetime,Ssex varchar(10));
  2. insert into Student values('01' , '赵雷' , '1990-01-01' , '男');
  3. insert into Student values('02' , '钱电' , '1990-12-21' , '男');
  4. insert into Student values('03' , '孙⻛' , '1990-12-20' , '男');
  5. insert into Student values('04' , '李云' , '1990-12-06' , '男');
  6. insert into Student values('05' , '周梅' , '1991-12-01' , '⼥');
  7. insert into Student values('06' , '吴兰' , '1992-01-01' , '⼥');
  8. insert into Student values('07' , '郑⽵' , '1989-01-01' , '⼥');
  9. insert into Student values('09' , '张三' , '2017-12-20' , '⼥');
  10. insert into Student values('10' , '李四' , '2017-12-25' , '⼥');
  11. insert into Student values('11' , '李四' , '2012-06-06' , '⼥');
  12. insert into Student values('12' , '赵六' , '2013-06-13' , '⼥');
  13. insert into Student values('13' , '孙七' , '2014-06-01' , '⼥');

2.课程表

Course(CId,Cname,TId)

CId 课程编号,Cname 课程名称,TId 教师编号

  1. create table Course(CId varchar(10),Cname nvarchar(10),TId varchar(10));
  2. insert into Course values('01' , '语⽂' , '02');
  3. insert into Course values('02' , '数学' , '01');
  4. insert into Course values('03' , '英语' , '03');

3.教师表

Teacher(TId,Tname)

TId 教师编号,Tname 教师姓名

  1. create table Teacher(TId varchar(10),Tname varchar(10));
  2. insert into Teacher values('01' , '张三');
  3. insert into Teacher values('02' , '李四');
  4. insert into Teacher values('03' , '王五');

4.成绩表

SC(SId,CId,score)

SId 学生编号,CId 课程编号,score

  1. create table SC(SId varchar(10),CId varchar(10),score decimal(18,1));
  2. insert into SC values('01' , '01' , 80);
  3. insert into SC values('01' , '02' , 90);
  4. insert into SC values('01' , '03' , 99);
  5. insert into SC values('02' , '01' , 70);
  6. insert into SC values('02' , '02' , 60);
  7. insert into SC values('02' , '03' , 80);
  8. insert into SC values('03' , '01' , 80);
  9. insert into SC values('03' , '02' , 80);
  10. insert into SC values('03' , '03' , 80);
  11. insert into SC values('04' , '01' , 50);
  12. insert into SC values('04' , '02' , 30);
  13. insert into SC values('04' , '03' , 20);
  14. insert into SC values('05' , '01' , 76);
  15. insert into SC values('05' , '02' , 87);
  16. insert into SC values('06' , '01' , 31);
  17. insert into SC values('06' , '03' , 34);
  18. insert into SC values('07' , '02' , 89);
  19. insert into SC values('07' , '03' , 98);

1.查询” 01 “课程比” 02 “课程成绩高的学生的信息及课程分数