检查长时间运行的查询

SELECT st.TEXT
	,qp.query_plan
	,qs.*
FROM (
	SELECT TOP 50 *
	FROM sys.dm_exec_query_stats
	ORDER BY total_worker_time DESC
	) AS qs
CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) AS st
CROSS APPLY sys.dm_exec_query_plan(qs.plan_handle) AS qp
WHERE qs.max_worker_time > 300
	OR qs.max_elapsed_time > 300