SQL Server 查看数据库是否存在阻塞

 CREATE  procedure [dbo].[sp_who_lock]

 as

 begin

 declare @spid int,@bl int,

         @intTransactionCountOnEntry  int,

         @intRowcount    int,

         @intCountProperties   int,

         @intCounter    int

  create table #tmp_lock_who (id int identity(1,1),spid smallint,bl smallint)

  IF @@ERROR<>0 RETURN @@ERROR

  insert into #tmp_lock_who(spid,bl) select  0 ,blocked

    from (select * from master..sysprocesses where  blocked>0 ) a

    where not exists(select * from (select * from master..sysprocesses where  blocked>0 ) b

    where a.blocked=spid)

    union select spid,blocked from master..sysprocesses where  blocked>0

  IF @@ERROR<>0 RETURN @@ERROR

 -- 找到临时表的记录数

  select  @intCountProperties = Count(*),@intCounter = 1

  from #tmp_lock_who

  IF @@ERROR<>0 RETURN @@ERROR

  if @intCountProperties=0

   select '现在没有阻塞和死锁信息' as message

 -- 循环开始

 while @intCounter <= @intCountProperties

 begin

 -- 取第一条记录

   select  @spid = spid,@bl = bl

   from #tmp_lock_who where id = @intCounter

  begin

   if @spid =0

     select '引起数据库死锁的是: '+ CAST(@bl AS VARCHAR(10)) + '进程号,其执行的SQL语法如下'

  else

     select '进程号SPID：'+ CAST(@spid AS VARCHAR(10))+ '被' + '进程号SPID：'+ CAST(@bl AS VARCHAR(10)) +'阻塞,其当前进程执行的SQL语法如下'

  DBCC INPUTBUFFER (@bl )

  end

 -- 循环指针下移

  set @intCounter = @intCounter + 1

 end

 drop table #tmp_lock_who

 return 0

 end