查看SQL 语句执行性能

最新推荐文章于 2025-03-06 20:17:19 发布

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最新推荐文章于 2025-03-06 20:17:19 发布

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原文链接：http://www.cnblogs.com/bobofsj11/archive/2011/10/10/2205852.html

SELECT TOP 100
[Average CPU used] = total_worker_time / qs.execution_count/1000000
,[Total CPU used] = total_worker_time/1000000
,[Execution count] = qs.execution_count
,[Individual Query] = SUBSTRING (qt.text,qs.statement_start_offset/2,
         (CASE WHEN qs.statement_end_offset = -1
            THEN LEN(CONVERT(NVARCHAR(MAX), qt.text)) * 2
          ELSE qs.statement_end_offset END -
qs.statement_start_offset)/2)
,[Parent Query] = qt.text
,DatabaseName = DB_NAME(qt.dbid)
FROM sys.dm_exec_query_stats qs
CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) as qt
--where  qs.execution_count>100
ORDER BY [Average CPU used] DESC;

转载于:https://www.cnblogs.com/bobofsj11/archive/2011/10/10/2205852.html