Sql Server数据库小组 / （知识分享）找出系统中什么语句导致死锁

create  procedure 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 sysprocesses where  blocked>0 ) a
   where not exists(select * from (select * from sysprocesses where  blocked>0 ) b
   where a.blocked=spid)
   union select spid,blocked from 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

http://blog.csdn.net/xiammy/archive/2008/05/02/2360427.aspx