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MSSQL varbinaryת»»³É×Ö·û´®

--> Title  : varbinaryת»»³É×Ö·û´®
--> Author : wufeng4552
--> Date   : 2009-12-15
declare @s varchar(20),@bin varbinary(1000)
select @s='www.CSDN.net',@bin=cast(@s as varbinary(1000))
declare @re varchar(1000),@i int
select @re='',@i=datalength(@bin)
while @i>0
   begin
      select @re=substring('0123456789ABCDEF',substring(@bin,@i,1)/16+1,1)+
                 substring('0123456789ABCDEF',substring(@bin,@i,1)%16+1,1)+@re
             ,@i=@i-1  
   end
select '0x'+@re
select cast(@s as varbinary(1000))
/*
--------------------------
0x7777772E4353444E2E6E6574
 
(1 個資ÁÏÁÐÊܵ½Ó°響)
*/
/*
--------------------------
0x7777772E4353444E2E6E6574
 
(1 個資ÁÏÁÐÊܵ½Ó°響)
*/


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MSSQLÌí¼Ó×Ö¶Î˵Ã÷

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EXEC sp_dropextendedproperty 'MS_Description', 'user', dbo, 'table', ±íÃû, 'column', ×Ö¶ÎÃû
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SELECT
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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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