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/*
ÍøÉÏ¿´µ½µÄÕûÀíÁËһϡ£
Ô­ÎĵØÖ·http://database.51cto.com/art/201003/190984.htm
 
 
ÔÚSQL Server 7.0ÖУ¬Î¢ÈíÍÆ³öÁËsp_attach_dbºÍsp_attach_single_file_dbϵͳ´æ´¢¹ý³Ì¡£
Ëü¶ÔÓÚSQL ServerÊý¾Ý¿â¹ÜÀíÔ±Ö´ÐÐÏÂÃæµÄÈÎÎñÊǷdz£·½±ãµÄ£º
 
1 ʹÓÃsp_attach_dbϵͳ´æ´¢¹ý³ÌÖ±½Ó½«.MDFºÍ.LDFÎļþ¸½¼Óµ½·þÎñÆ÷¡£
2 ʹÓÃsp_attach_single_file_dbϵͳ´æ´¢¹ý³ÌÖ»¸½¼Ó.MDFÎļþ¡£
3 ʹÓÃsp_detach_db½«Êý¾Ý¿â´ÓÒ»¸ö·þÎñÆ÷·ÖÀ룬¸´ÖÆ.MDFÎļþµ½ÁíÒ»¸ö·þÎñÆ÷ÉÏ£¬È»ºóʹÓÃ
sp_attach_dbϵͳ´æ´¢¹ý³ÌÖØÐ¸½¼ÓÕâЩÎļþµ½Á½¸ö·þÎñÆ÷ÉÏ¡£
             
             
¾¡¹ÜËü¶ÔÓÚSQL ServerÊý¾Ý¿â¹ÜÀíÔ±ÊǺÜÓÐÓõ쬵«ÊÇÔÚʹÓÃÕâÁ½¸ö´æ´¢¹ý³ÌʱÊÇÓÐһЩÏÞÖÆµÄ¡£ÏÞÖÆÈçÏ£º
 
1 Äã²»Äܸ½¼Ó¶à¸öÈÕÖ¾Îļþ
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ÔÚSQL Server 2008ÖУ¬Î¢ÈíÐû²¼ÉÏÃæµÄϵͳ´æ´¢¹ý³Ì½«ÔÚδÀ´µÄ°æ±¾Öб»·ÏÆú¡£¶øËûÃÇÔÚ"Create Database"
SQLÓï¾äÖÐÌí¼ÓÁËÒ»¸ö´Ó¾ä"For Attach"¡£
 
ÏÂÃæ½éÉÜʹÓÃ"For Attach"´Ó¾äµÄ¶àÖÖ·½·¨£¬ÒÔ¿Ë·þÔÚʹÓÃsp_attach_dbºÍsp_attach_single_file_dbÊ±ÒªÃæÁÙµÄÏÞÖÆ¡£
*/
--½¨Á¢²âÊÔÊý¾Ý¿â
 
Use Master  
go  
CREATE DATABASE TestDB  
ON  
( NAME = TestDB,  
FILENAME = 'D:\TestDB.mdf',  
SIZE = 10,  
MAXSIZE = 50,  
FILEGROWTH = 5 )  
LOG ON  
( NAME = TestDB_log,  
FILENAME = 'D:\TestDB_log.ldf',  
SIZE = 5MB,  
MAXSIZE = 25MB,  
FILEGROWTH = 5MB )  
GO 
 
--ÏÖÔÚ£¬ÈÃÎÒÃÇ·ÖÀë¸ÃÊý¾Ý¿â£¬²¢³¢ÊÔʹÓÃsp_detach_dbºÍsp_attach_db½«ËüÖØÐ¸½¼Ó¡£
--Ö´ÐÐÏÂÃæµÄÊÂÎñSQLÓï¾ä¡£
 
use master  
go  
sp_detach_db 'TestDB'  
go  
sp_attach_db 'TestDB',  
'D:\TestDB.mdf',  
'D:\TestDB_log.ldf' 
GO  
--ÄãÒ²¿ÉÒÔʹÓþßÓÐ"For Attach"´Ó¾äµÄ"Create database


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create database cnnet;
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CREATE TABLE `cnnet`.`test` (
`id` INT( 4 ) NOT NULL AUTO_INCREMENT ,
`url` VARCHAR( 50 ) NULL ,
PRIMARY KEY ( `id` )
) ENGINE = MYISAM
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INSERT INTO `test` (`id`, `url`) VALUES
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sql ²éѯ±íµÄÁÐÃû row_number()

select upper(name) from syscolumns
where id =any
(
select Id from sysobjects where name='tb_city'
)
lower
select row_number() over(order by firmid) from dbo.tb_BuildingMaterial
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select rank() over(order by firmid) from dbo.tb_BuildingMaterial
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