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create database ѧÉú¿â
on primary
( name=ѧÉú_data1, filename='e:\ѧÉú_data1.mdf', size=1mb, maxsize=3mb,filegrowth=1mb ),
( name=ѧÉú_data2, filename='e:\ѧÉú_data2.ndf', size=1mb, maxsize=3mb, filegrowth=10% )
log on
( name=ѧÉú_log1, filename='e:\ѧÉú_log1.ldf', size=1mb, maxsize=2mb, filegrowth=1mb ),
( name=ѧÉú_log2, filename='e:\ѧÉú_log2.ldf', size=1mb, maxsize=2mb, filegrowth=10% )
 
ɾ³ýÊý¾Ý¿â£ºdrop database ѧÉú¿â£¨Êý¾Ý¿âÃû£©
 
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alter database ѧÉú¿â   modify file ( name=ѧÉú_data1,size=5mb )
 
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alter database ѧÉú¿â   modify file ( name=ѧÉú_log1,size=2mb )
 
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alter database ѧÉú¿â
add file( name=ѧÉú_log3, filename='e:\ѧÉú_log3.ldf', size=1mb£¬maxsize=2mb, filegrowth=10% )
 
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×Ô¶¨ÒåÊý¾ÝÀàÐÍ£ºexec sp_addtype city£¨ÀàÐÍÃû£© ,'nvarchar(15)',null
 
ɾ³ý×Ô¶¨ÒåÊý¾ÝÀàÐÍ£ºexec sp_droptype city£¨ÀàÐÍÃû£©
 
use ѧÉú¿â               ´ò¿ªÊý¾Ý¿â£¨Ñ§Éú¿â£©
create table ѧÉú±í£¨±íÃû£©      ´´½¨Ò»¸öѧÉú±í
( ѧºÅ int not null, ÐÕÃû varchar(20), °®ºÃ varchar(20), ³öÉúÈÕÆÚ datetime)
 
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create table ѧÉú±í
(ѧºÅint not null identity(1,1)primary key,ÐÕÃûvarchar(20)unique,°®ºÃvarchar(20),³öÉúÈÕÆÚ datetime)
 
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create table ѧÉú±í(ÐÕÃû varchar(20) unique,°®ºÃ varchar(20),³öÉúÈÕÆÚ datetime)
alter table ѧÉú±í  add ѧºÅ£¨×Ö¶ÎÃû£© int identity(1,1)
 
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