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  • 查看CPU中SQL执行效率

    SELECT TOP 20
         total_worker_time/1000 AS [总消耗CPU 时间(ms)],execution_count [运行次数],
         qs.total_worker_time/qs.execution_count/1000 AS [平均消耗CPU 时间(ms)],
         last_execution_time AS [最后一次执行时间],max_worker_time /1000 AS [最大执行时间(ms)],
         SUBSTRING(qt.text,qs.statement_start_offset/2+1, 
             (CASE WHEN qs.statement_end_offset = -1 
             THEN DATALENGTH(qt.text) 
             ELSE qs.statement_end_offset END -qs.statement_start_offset)/2 + 1) 
         AS [使用CPU的语法], qt.text [完整语法],
         dbname=db_name(qt.dbid),
         object_name(qt.objectid,qt.dbid) ObjectName
     FROM sys.dm_exec_query_stats qs WITH(nolock)
     CROSS apply sys.dm_exec_sql_text(qs.sql_handle) AS qt
     WHERE execution_count>1 and last_execution_time>'2021-05-25 15:44:00'
    ORDER BY  total_worker_time DESC
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  • 原文地址:https://www.cnblogs.com/dujian123/p/14809976.html
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