2.1.1.sql

清华大学出版社出版的数据库系统教程附带的实验教程中所有的源代码

USE School
CREATE TABLE Stu_Union(sno CHAR(5) NOT NULL UNIQUE,
                       sname CHAR(8),
                       ssex CHAR(1),
                       sage INT,
                       sdept CHAR(20),
                       CONSTRAINT  PK_Stu_Union  PRIMARY KEY(sno) );   
insert Stu_Union values ( '10000','王敏','1',23,'CS');
UPDATE Stu_Union SET sno=''       WHERE sdept='CS';
UPDATE Stu_Union SET sno= '95002' WHERE sname='王敏';
select * from stu_union;