创建学生基本信息表.txt

介绍了一些数据库中常用的语句

if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[FK_选课_学生基本信息]') and OBJECTPROPERTY(id, N'IsForeignKey') = 1)
ALTER TABLE [dbo].[选课] DROP CONSTRAINT FK_选课_学生基本信息
GO

if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[FK_学生像片_学生基本信息]') and OBJECTPROPERTY(id, N'IsForeignKey') = 1)
ALTER TABLE [dbo].[学生像片] DROP CONSTRAINT FK_学生像片_学生基本信息
GO

if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[学生基本信息]') and OBJECTPROPERTY(id, N'IsUserTable') = 1)
drop table [dbo].[学生基本信息]
GO

CREATE TABLE [dbo].[学生基本信息] (
	[学号] [char] (9) COLLATE Chinese_PRC_CI_AS NOT NULL ,
	[姓名] [nvarchar] (6) COLLATE Chinese_PRC_CI_AS NULL ,
	[性别] [nchar] (1) COLLATE Chinese_PRC_CI_AS NULL ,
	[民族] [nvarchar] (5) COLLATE Chinese_PRC_CI_AS NULL ,
	[生日] [datetime] NULL ,
	[密码] [char] (10) COLLATE Chinese_PRC_CI_AS NULL ,
	[像片] [image] NULL 
) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]
GO