Mssql处理孤立用户的存储过程

以下为引用的内容：

CREATE PROCEDURE [LoneUser]
–INPUT
@DBName             nvarchar(50),
@UserName           nvarchar(50)
AS
    Exec sp_configure ‘allow updates’,’1′
    RECONFIGURE WITH OVERRIDE
    
    Declare @ExecStr nvarchar(4000)
   
    Select @ExecStr = ‘ Declare @b varbinary(85) ‘
                    + ‘ Use Master’ 中国站长.站
                    + ‘ Select @b = sid From syslogins Where Name = ”’ + @UserName + ””
                    + ‘ Use ‘ + @DBName
                    + ‘ Update sysusers Set sid = @b Where name = ”’ + @UserName + ””

[中国站长站]

    –Print @ExecStr
    Exec(@ExecStr) Www@Chinaz@com

    Exec sp_configure ‘allow updates’,’0′
    RECONFIGURE WITH OVERRIDE 中国站长.站