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     [£¬<ÁÐÃû2> Êý¾ÝÀàÐÍ[ȱʡֵ][Áм¶Ô¼Êø]]….
     [£¬UNIQUE£¨ÁÐÃû[£¬ÁÐÃû]….£©]
     [£¬PRIMARY KEY£¨ÁÐÃû[£¬ÁÐÃû]…£©]
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     REFERENCES ±íÃû£¨ÁÐÃû[£¬ÁÐÃû]…£©]
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/*´´½¨½èÊ黹ÊéÊý¾Ý¿â*/
create database ½èÊ黹ÊéÐÅÏ¢
on
( name = N'½èÊ黹ÊéÐÅÏ¢Data',
filename = N'D:\½èÊ黹ÊéÐÅÏ¢.mdf',
size = 20Mb,
maxsize = 40Mb,
filegrowth = 10Mb
)
log on
( name = N'½èÊ黹ÊéÐÅÏ¢_Log',
filename = N'D:\½èÊ黹ÊéÐÅÏ¢_Log.ldf',
size = 20Mb,
maxsize = 35Mb,
filegrowth = 10Mb
)
collate SQL_Latin1_General_CP1_CI_AS
go
/*´´½¨Êý¾Ý±í*/
use ½èÊ黹ÊéÐÅÏ¢
go
create table dbo.ͼÊé
(
ͼÊé±àºÅ int identity(1,1) not null ,
ͼÊéÃû³Æ varchar(50),
×÷Õß varchar(20),
³ö°æÉç varchar(50),
±¸×¢ varchar(100),
primary key (ͼÊé±àºÅ)
);
create table dbo.Óû§
(
Óû§±àºÅ int identity(1,1) not null,
¿ÚÁî varchar(20),
ÐÕÃû varchar(20),
ÐÔ±ð bit,
³öÉúÄêÔÂ datetime,
ÕË»§Óà¶î money,
primary key (Óû§±àºÅ)
);
CREATE TABLE [dbo].[½èÊé¼Ç¼]
(
[¼Ç¼±àºÅ] [int] IDENTITY(1,1) NOT NULL,
[Óû§±àºÅ] [int] NOT NULL,
[ͼÊé±àºÅ] [int] NOT NULL,
[½èÊéʱ¼ä] [datetime] NULL,
[»¹Êéʱ¼ä] [datetime] NULL,
[ÊÇ·ñÇ··Ñ] [bit] NULL,
[Ç··Ñ½ð¶î] [bit] NULL,
[ÊÇ·ñ»¹Êé] [bit] NULL,
PRIMARY KEY (¼Ç¼±àºÅ),
foreign key (Óû§±àºÅ) references Óû§(Óû§±àºÅ),
foreign key (ͼÊé±àºÅ) references ͼÊé(ͼÊé±àºÅ)
);
/*´´½¨Ë÷Òý*/
/****** ¶ÔÏó: Index [Book_ID_Name_Index] ½Å±¾ÈÕÆÚ: 09/26/2009 17:18:09 ******/
CREATE NONCLUSTERED INDEX [Book_ID_Name_Index] ON [dbo].[ͼÊé]
(
[ͼÊé±àºÅ] ASC,
[ͼÊéÃû³Æ] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, SORT_IN_TEMPDB = OFF, IGNORE_DUP_KEY = O


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Óï¾äÐÎʽ£º¡¡ SELECTTOP10*
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SQL Server Óï¾ä²éѯÊÖ²á

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CREATE TABLE  [DB.dbo].tableName
(Stud_id int CONSTRAINT  constraintName1  not null primary key,
 Name nvarchar(5) not null,
 Birthday datetime,
 Gender nchar(1),
 Telcode char(12),
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DECLARE @errorSun INT --¶¨Òå´íÎó¼ÆÊýÆ÷
SET @errorSun=0 --û´íΪ0
UPDATE a SET id=232 WHERE a=1 --ÊÂÎñ²Ù×÷SQLÓï¾ä
SET @errorSun=@errorSun+@@ERROR --ÀÛ¼ÆÊÇ·ñÓдí
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