得到错误而运行功能MD5

Question

我的功能：

DECLARE @Data varchar(50) = 'Rushang' 
DECLARE @hash CHAR(32) 
    set @data = 'Micro' + @data 
EXEC master.dbo.xp_md5 @data, -1, @hash OUTPUT 
select substring(@hash,5,17) 

错误：

Msg 17750, Level 16, State 0, Procedure xp_md5, Line 1
Could not load the DLL xp_md5.dll, or one of the DLLs it references. Reason: 193(%1 is not a valid Win32 application.).

(1 row(s) affected)

Result:-

NULL

Answer 1

FOR MD5 why not use 2008's built in HASHBYTES()? 

DECLARE @IN NVARCHAR（4000）= N'Hello” DECLARE @OUT VARBINARY（16）SET @OUT = HASHBYTES（'MD5'，@IN）SELECT @OUT