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标题:程序代码——学生选课管理系统

1楼
admin 发表于:2011/11/29 10:13:52

代码:

 下载信息  [文件大小:   下载次数: ]
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SQL脚本(直接在SQL Server查询分析器中执行即可):

create database Student
Go

use Student
GO

CREATE TABLE [dbo].[users](
        [id] [int] NOT NULL,
        [username] [varchar](50) COLLATE Chinese_PRC_CI_AS NULL,
        [password] [varchar](50) COLLATE Chinese_PRC_CI_AS NULL,
        [type] [char](1) COLLATE Chinese_PRC_CI_AS NULL,
 CONSTRAINT [PK_users] PRIMARY KEY CLUSTERED
(
        [id] ASC
)
) ON [PRIMARY]

Go

CREATE TABLE [dbo].[courses](
        [cid] [int] NOT NULL,
        [title] [varchar](50) COLLATE Chinese_PRC_CI_AS NULL,
 CONSTRAINT [PK_courses] PRIMARY KEY CLUSTERED
(
        [cid] ASC
)
) ON [PRIMARY]

Go

CREATE TABLE [dbo].[selections](
        [sid] [int] NOT NULL,
        [cid] [int] NOT NULL,
 CONSTRAINT [PK_selection] PRIMARY KEY CLUSTERED
(
        [sid] ASC,
        [cid] ASC
)
) ON [PRIMARY]

Go

CREATE VIEW [dbo].[administrators]
AS
SELECT     id AS aid, username, password, type
FROM         dbo.users
WHERE     (type = 'a')

Go

CREATE VIEW [dbo].[students]
AS
SELECT     id AS sid, username, password, type
FROM         dbo.users
WHERE     (type = 's')

Go

insert   users   (id,username,password,type)      values   (   1,'黎明','111111','s')
insert   users   (id,username,password,type)      values   (   2,'胡哥','abcd','s')
insert   users   (id,username,password,type)      values   (   3,'Tom','tom','s')
insert   users   (id,username,password,type)      values   (   1000,'admin','888888','a')

insert   courses   (cid,title)      values   (   101,'JavaEE')
insert   courses   (cid,title)      values   (   102,'信息检索')
insert   courses   (cid,title)      values   (   103,'数据库系统原理')
insert   courses   (cid,title)      values   (   105,'J2ME')
insert   courses   (cid,title)      values   (   106,'Math                                              ')

insert   selections   (sid,cid)      values   (   1,101)
insert   selections   (sid,cid)      values   (   1,103)
insert   selections   (sid,cid)      values   (   2,102)
insert   selections   (sid,cid)      values   (   3,103)
insert   selections   (sid,cid)      values   (   3,105)

GO

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