-- show blocking SPIDS and SQL
SELECT
Blocked.Session_ID AS Blocked_Session_ID
, Blocked_SQL.text AS Blocked_SQL
, waits.wait_type AS Blocked_Resource
, Blocking.Session_ID AS Blocking_Session_ID
, Blocking_SQL.text AS Blocking_SQL
, GETDATE()
FROM sys.dm_exec_connections AS Blocking INNER JOIN sys.dm_exec_requests AS Blocked
ON Blocked.Blocking_Session_ID = Blocking.Session_ID
CROSS APPLY
(
SELECT * FROM sys.dm_exec_sql_text(Blocking.most_recent_sql_handle)
) AS Blocking_SQL
CROSS APPLY
(
SELECT * FROM sys.dm_exec_sql_text(Blocked.sql_handle)
) AS Blocked_SQL
INNER JOIN sys.dm_os_waiting_tasks AS waits
ON waits.Session_ID = Blocked.Session_IDRun the above query, it can show blocking SPIDS and SQL for you.
show blocking SPIDS and SQL
原文：http://blog.51cto.com/57388/2119147
