ũִѧϢѧԺ
γƣ ϵר ҵ ѧ ţָʦ
ʵ鱨
ݿԭӦ
ѧ뼼 ѧ뼼
2012
³
2014 5 18
ʵĿб
ʵĿ 1 2 ɼ ָʦ ʵһ ݿĶʵ飨֤ԣ ʵ ݿĽάʵ飨 ֤ԣ 3 4 ʵ ݿIJѯʵ飨֤ԣ ʵ ݿͼʵ飨֤ ԣ 5 ʵ 洢̲ʵ ۺԣ
ʵһݿĶʵ
һʵĿģ
1 MySQL Server 6.0 İװ̺ͷ
2Ҫѧպʹ SQLT-SQLSQL Server Enterpriser Manager Server ݿ⡢ıṹѧʹ SQL Server Query Analyzer,TSQL ͽн ʵ黷 ӲPC
Windowsϵͳ MySQL Server 6.0 Navicat for MySQL 9.0
ʵݺԭ
1װ MySQLԼӦ GUI
2 SQLѧ-γݿ
ѧ Studentѧ Sno Sname SageԱ Ssexϵ Sdept
γCourseγ̺ CnoγCnameпCpnoѧ Ccredit ѡSCѧ Snoγ̺Cnoɼ Grade Ҫ:
1) SQL⡢ͽϵ 2) ѡʵ͡
3) ҪмԼͱԼ
ġʵ鲽裺
1 Navicat for MySQLȻݿӣ뵽 GUI棻 2ͼν潨
student Ϣ
ֶ Sno Sname Ssex Sage Sdept varchar varchar varchar smallint varchar 9 20 Լ ǿա 2 6 20 courseϢ
ֶ Cno Cname Cpno Ccredit varchar varchar varchar smallint 4 40 Լ ǿա course Cno 4 6 scϢ
ֶ Sno Cno Grade
1ݿ⣬ localhost еҼͼ1ʾ½ݿ⡱ڵĴݿƣͼ2ʾȻȷݿĽ
2½ݿ⣬ڱλõһͼ3½ֱڡλϱʾֶͼеݣͼ 456ʾڡӦԼͼ78
3ʽ
1ѯȻ½ѯڵ½ѯ CREATE DATABASE zhouһΪ zhou ݿ⣻
varchar varchar smallint 9 4 Լ ǿա student Sno,ɾ 6 ǿա course Cno
2ͨuse zhou뵽 zhou ݿУ 3ڲѯ༭зֱ student CREATE TABLE student (Sno varchar(10) PRIMARY KEY, Sname varchar(20) UNIQUE, Ssex varchar(2), Sage SMALLINT, Sdept varchar(20)