查询死锁
SELECT request_session_id spid,OBJECT_NAME(resource_associated_entity_id)tableName
FROM sys.dm_tran_locks
WHERE resource_type=‘OBJECT‘ and OBJECT_NAME(resource_associated_entity_id)=‘query_tongji‘
解除死锁
kill spid
原文：http://www.cnblogs.com/zspbolg/p/3835843.html