SQLSERVER-SQL监测语句

SELECT top 20 qs.creation_time
,last_execution_time
,total_physical_reads
,total_logical_reads
,total_logical_writes,DB_NAME(dbid) dbname
, execution_count
--, total_worker_time
,last_worker_time
--,substring(convert(char(23),DATEADD(ms,total_worker_time/1000,0),121),12,23) total_worker_time
--, total_elapsed_time
,last_elapsed_time
,substring(convert(char(23),DATEADD(ms,total_elapsed_time/1000,0),121),12,23) total_elapsed_time
--, total_elapsed_time / execution_count avg_elapsed_time
,substring(convert(char(23),DATEADD(ms,(total_elapsed_time / execution_count)/1000,0),121),12,23) avg_elapsed_time
,SUBSTRING(st.text, (qs.statement_start_offset/2) + 1,
((CASE statement_end_offset
WHEN -1 THEN DATALENGTH(st.text)
ELSE qs.statement_end_offset END
- qs.statement_start_offset)/2) + 1) AS statement_text
FROM sys.dm_exec_query_stats AS qs
CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) st
--ORDER BY execution_count desc 计划执行总次数
--ORDER BY total_elapsed_time --计划执行总时长
order by last_worker_time desc;--最近一次执行cpu 占用时长

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