修改电脑、伺服器名称后，SQLServer的修正作业--补遗篇

DECLARE @sn sysname,@sno sysname;
SELECT @sn=cast(serverproperty('servername') as sysname),@sno=@@SERVERNAME;
IF @sno IS NULL
 BEGIN
  EXEC sp_addserver @server=@sn,@local = 'local';
  SELECT N'Finish the server name to revise, and has already stopped serving, please restart the server';
  SELECT N'完成伺服器名