????6??????????????session??????????????
????7??????????
????DBCC TRACEON (1204?? 1222?? -1);
????DBCC tracestatus
????8???????????????????session 59???????????????

????9????errorlog?????????spid?4??????????????LOCK MONITOR?????????????????
????EXEC xp_readerrorlog 0??1??NULL??NULL??'2015-08-06'??'2015-10-10'??'DESC'

???????
?????????????????SELECT??????????????????SELECT????????RC???????o????????????????????????????л???????Щ??????????????Lock Hint??????????????????????????
??????????????????????????????????Lock Hint???????????????????ж?????????????????????????????????????????????????