一、 创建数据库

create database test; use test;

二、创建表 create table Students (Sno char(7) primary key,  Sname varchar(10),  Ssex char(2) default '男',  Sbirthday date,  Sdept varchar(12),  Memo varchar(30) ); create table Courses (Cno varchar(4) primary key,  Cname varchar(20),  PreCno varchar(4),  Credit tinyint ); create table SC (Sno char(7),  Cno varchar(4),  Grade tinyint,  foreign key(sno) references Students(Sno),  foreign key(cno) references Courses(Cno),  primary key(Sno,Cno) );

三、向表中插入数据

insert into students values('0602001','钟耀华','男','1987-05-01','计算机','优秀毕业生'); insert into students values('0602002','吴佳硕','女','1987-03-24','计算机','爱好:音乐'); insert into students values('

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