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