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--´Ë´úÂ뽫±¾µØËùÓеÄÓû§Êý¾Ý¿â±¸·Ýµ½¹²ÏíĿ¼¡°\\backupServerIp\ShareName\Êý¾Ý¿â±¸·Ý¡±Ï¡£
--²¢É¾³ýÌìÇ°µÄ±¸·ÝÎļþ¡£Òª±¸·Ý³É¹¦±ØÐëÄܹ»¶Ô¹²ÏíĿ¼ÓвÙ×÷ȨÏÞ£¡

sp_configure 'xp_cmdshell',1
GO
RECONFIGURE
GO

--´´½¨Ó³Éä
execmaster..xp_cmdshell 'net use T: \\backupServerIp\ShareName "password" /user:uonun',NO_OUTPUT
GO

declare@keepNDays int,@s nvarchar(max),@del nvarchar(max)
select @keepNDays = 30,@backupSql='',@delSql=''

select
   @backupSql=@backupSql+
        char(13)+'DBCC SHRINKDATABASE(N'''+Name+''', 10, TRUNCATEONLY)'+    --ÊÕËõÊý¾Ý¿â
        char(13)+'backup database  '+quotename(Name)+'  to disk =''T:\Êý¾Ý¿â±¸·Ý\'+Name+'_'+convert(varchar(8),getdate(),112)+'.bak''  with init',    --±¸·ÝÊý¾Ý¿â
    @delSql=@delSql+
        char(13)+'exec master..xp_cmdshell '' del T:\Êý¾Ý¿â±¸·Ý\'+Name+'_'+convert(varchar(8),getdate()-@keepNDays,112)+'.bak'', NO_OUTPUT'   --ɾ³ý¹ýÆÚ±¸·Ý

frommaster..sysdatabases wheredbid>6 order bydbid asc   --²»±¸·ÝϵͳÊý¾Ý¿â(sql 2008)£¬Èç¹ûÊÇSql 2000£¬ÔòΪ¡°dbid>6¡±¡£

exec(@del)
exec(@s)
GO

--ɾ³ýÓ³Éä
execmaster..xp_cmdshell 'net use T: /delete', NO_OUTPUT
GO

sp_configure 'xp_cmdshell',0
GO
RECONFIGURE
GO


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D = ĬÈÏÖµ»ò DEFAULT Ô¼Êø 
F = FOREIGN KEY Ô¼Êø 
L = ÈÕÖ¾ 
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How is MSSQL using memory?


How is MSSQL using memory?
http://www.sqlhacks.com/Administration/Memory-Usage
Memory is one the most important factor affecting MSSQL performance.
As an administrator, you should be monitoring the memory
regularly. When Microsoft SQL Server runs out of memory, it will use
virtual memory: ie: ......

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