基本信息

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   源码介绍

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create database StdMng2014on (name = StdMng2014,    FILENAME ='d:\StdMng2014.mdf')LOG ON (name = StdMng2014_Log ,    FILENAME ='d:\StdMng2014.ldf');GOuse StdMng2014CREATE TABLE t_Student(	[Sno] [varchar](50) ,	[SName] [varchar](50) ,	[SGender] [varchar](2) ,	[SBirth] [datetime] not null,	[SDept] [varchar](50)  NULL,	[SImage] [Image] NULL,CONSTRAINT [PK_t_Student_Sno] PRIMARY KEY CLUSTERED (	[Sno] ASC)) ON [PRIMARY]CREATE TABLE [t_Sdept](	[SdeptID] [varchar](50),	[SdeptName] [varchar](50) NOT NULL, CONSTRAINT [PK_t_Sdept] PRIMARY KEY CLUSTERED (	[SdeptID] ASC)) ON [PRIMARY]CREATE TABLE [t_Course](	[Cno] [varchar](50),	[CName] [varchar](50) NOT NULL,	[Cpno] [varchar](50) ,	[Ccredit] [smallint] NOT NULL, CONSTRAINT [PK_t_Course] PRIMARY KEY CLUSTERED (	[Cno] ASC)) ON [PRIMARY]CREATE TABLE [t_SC](	[Sno] [varchar](50) ,	[Cno] [varchar](50),	[Grade] [smallint] not null, CONSTRAINT [PK_t_SC] PRIMARY KEY CLUSTERED (	[Sno] ASC,	[Cno] ASC)) ON [PRIMARY]ALTER TABLE [t_Student]  WITH CHECK ADD  CONSTRAINT [FK_t_Student_t_Sdept] FOREIGN KEY([SDept])REFERENCES  [t_Sdept] ([SdeptID])ALTER TABLE [t_Course]  WITH CHECK ADD  CONSTRAINT [FK_t_Course_t_Course] FOREIGN KEY([Cpno])REFERENCES  [t_Course] ([Cno])ALTER TABLE [t_SC]  WITH CHECK ADD  CONSTRAINT [FK_t_SC_t_Course] FOREIGN KEY([Cno])REFERENCES  [t_Course] ([Cno])ALTER TABLE [t_SC]  WITH CHECK ADD  CONSTRAINT [FK_t_SC_t_Student] FOREIGN KEY([Sno])REFERENCES [t_Student] ([Sno])--插入系别表insert t_Sdept(SdeptID,SdeptName)       values('cs','计算机系')insert t_Sdept(SdeptID,SdeptName)       values('IS','信息技术系')insert t_Sdept(SdeptID,SdeptName)       values('MA','数学系')insert t_Sdept(SdeptID,SdeptName)       values('CHS','化学系')--插入课程表insert t_Course(Cno,CName,Cpno,Ccredit)       values('2','数学',null,2)insert t_Course(Cno,CName,Cpno,Ccredit)       values('6','数据处理',null,2)insert t_Course(Cno,CName,Cpno,Ccredit)       values('4','操作系统',6,3)insert t_Course(Cno,CName,Cpno,Ccredit)       values('7','PASCAL语言',6,4)insert t_Course(Cno,CName,Cpno,Ccredit)       values('5','数据结构',7,4)insert t_Course(Cno,CName,Cpno,Ccredit)       values('1','数据库',5,4)insert t_Course(Cno,CName,Cpno,Ccredit)       values('3','信息系统',1,4)--插入学生记录insert t_Student(Sno,sname,sGender,sBirth,sdept,sImage)values('200215121','李勇','男','1994-04-13','CS',null)insert t_Student(Sno,sname,sGender,sBirth,sdept,sImage)values('200215122','刘晨','女','1995-07-16','CS',null)insert t_Student(Sno,sname,sGender,sBirth,sdept,sImage)values('200215123','王敏','女','1996-02-14','MA',null)insert t_Student(Sno,sname,sGender,sBirth,sdept,sImage)values('200215125','张立','男','1995-12-14','IS',null)--插入选课记录insert t_sc values('200215121','1',92)insert t_sc values('200215121','2',85)insert t_sc values('200215121','3',88)insert t_sc values('200215122','2',90)insert t_sc values('200215122','3',80)