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EXEC sp_configure 'show advanced options', 1
declare @strdirname varchar(100)
declare @RemotePathstr varchar(100)
declare @LocalPathstr varchar(100)
declare @DBName char(50)
declare @sql varchar(100)
set @strdirname=replace(substring(convert(varchar(20),getdate(),120),1,10),'-','') --»ñµÃÈÕÆÚ
set @RemotePathstr = 'S:\ÆäËü·þÎñÆ÷±¸·Ý£¨ÖØÒª£©\60\center\'+'center_'+@strdirname+'.bak' --±¸·Ý·¾¶+ÃüÃû+±¸·ÝÈÕÆÚ
set @DBName= 'MMS_CENTER'
set @sql='del S:\ÆäËü·þÎñÆ÷±¸·Ý£¨ÖØÒª£©\60\center\'+'center_'+rtrim(convert(varchar,getdate()-3,112))+'.bak'
--Ìí¼ÓÍøÂçÇý¶¯Æ÷Ó³Éä
exec xp_cmdshell 'net use S: \\172.24.186.247\G$ "ÕâÀïÌîдÄãÁ¬½ÓÔ¶³Ì·þÎñÆ÷µÄÃÜÂë" /user:172.24.186.247\administrator'
--ʵʩ±¸·Ý
backup database @DBName to disk=@RemotePathstr
--ɾ³ý3ÌìÇ°µÄ±¸·ÝÎļþ
exec xp_cmdshell @sql
--ɾ³ýÓ³Éä
exec xp_cmdshell 'net use S: /delete'
RECONFIGURE
EXEC sp_configure 'show advanced options', 0
RECONFIGURE


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select getdate()
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select dateadd(day,2,'2004-10-15') --·µ»Ø£º2004-10-17 00:00:00.000
3. datediff ·µ»Ø¿çÁ½¸öÖ¸¶¨ÈÕÆÚµÄÈÕÆÚºÍʱ¼ä±ß½çÊý¡£
select datediff(day,'2004-09-01','2004-09-18') --· ......

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SQL Server NetWork ConfigurationÖÐÑ¡ÔñЭÒ飬"Named pipes"ºÍ"TCP/IP"¶¼Ñ¡ÔñEnable£¬È»ºóµã»÷"TCP/IP"Ñ¡ÊôÐÔ£¬IP Address Ñ¡Ï£¬½«ËùÓÐµÄ TCP¶¯Ì¬¶Ë¿Ú µÄ0È«²¿È¥µô£¬ÔÚ ......

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create table employewhere
(
 id int identity(1,1),
 [name] varchar(10),
 [value] varchar(10),
 [ttime] int
)
insert employewhere
select ......
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