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use master
if exists(select * from databases where name='¿âÃû')
drop database ¿âÃû
__________________________ ½¨Êý¾Ý¿â½¨±íµÄ»ù±¾¸ñʽ ___________________________________________
create database ¿âÃû
on primary
(name='student1',filename='·¾¶\student1.mdf',size=10mb, filegrowth=15%), Ö÷Îļþ
(name='student2',filename='·¾¶\student2.ndf',size=10mb, filegrowth=15%) ´ËÎļþ
log on
(name='student1_log',filename='·¾¶\student1.ldf',size=1mb,filegrowth=15%,maxsize=300mb), ÈÕÖ¾Îļþ
(name='student2_log',filename='·¾¶\student2.ldf',size=1mb,filegrowth=15%,maxsize=300mb)
go
use ¿âÃû
create table ±íÃû
(ÁÐÃû1 Êý¾ÝÀàÐÍ Ö÷¼ü ÊÇ·ñÔö³¤ Ψһ ĬÈÏ ÊÇ·ñΪ¿Õ£¬
name varchar primary key identity(±íʾÖÖ×Ó£¬Ôö³¤Á¿) unique default not null,
)
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alter table kk add
df ĬÈÏ constraint df_sex default(nan) for sex
pk Ö÷¼ü constraint pk_ÁÐÃû primary key(ÁÐÃû)
ck ¼ì²é constraint ck_ÁÐÃû check(len(ÁÐÃû)>=6)
constraint ck_ÁÐÃû check(ÁÐÃû like [email='%@%']'%@%'[/email])
fk Ö÷Íâ¼ü constraint fk_Íâ¼üÁÐÃû foreign key(Íâ¼üÁÐÃû) references Ö÷±íÃû£¨Ö÷±íÁУ©
uq Ψһ
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Create PROCEDURE [dbo].[pt_AspNetPager]
(
@tableName varchar(255), -- ±íÃû
@fieldName varchar(400)= '*', -- ×Ö¶ÎÃû
@strWhere varchar(255) = Null,
@fieldOrder varchar(100), --²»ÄÜΪ¿Õ
@startIndex int ......
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UPDATE test.table1 t1,test.table2 t2 SET t1.aa='a',t1.bb='b',t2.cc='c',WHERE t1.u_id=t2.u_id AND t1.u_id='1' £»
table1µÄu_idºÍtable2µÄu_idÊÇÖ÷Íâ¼ü¹ØÏµ ......
http://tech.163.com/05/0701/10/1NIODMQS00091589.html
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DECLARE
TYPE
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