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  • 执行次数最多的sql语句

    执行次数最多的sql语句

    SELECT top 50 * FROM 
    (
        SELECT top 1000 creation_time  N'语句编译时间'
                ,DB_NAME(st.dbid) AS dbname
                ,OBJECT_NAME(st.objectid) AS objectname
                ,last_execution_time  N'上次执行时间'
                ,execution_count/(CASE WHEN DATEDIFF(mi,creation_time,getdate())=0 THEN 1 ELSE DATEDIFF(mi,creation_time,getdate()) END)  as 'count/minute'            
                ,datediff(mi,creation_time,getdate()) as 'minute'    
                --,total_physical_reads N'物理读取总次数'
                --,total_logical_reads/execution_count N'每次逻辑读次数'
                --,total_logical_reads  N'逻辑读取总次数'
                --,total_logical_writes N'逻辑写入总次数'
                ,execution_count  N'执行次数'
                --,total_worker_time/1000 N'所用的CPU总时间ms'
                --,total_elapsed_time/1000  N'总花费时间ms'
                --,(total_elapsed_time / execution_count)/1000  N'平均时间ms'
                ,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) N'执行语句'
                ,st.text
        FROM sys.dm_exec_query_stats AS qs
        CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) st
        where 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) not like '%fetch%' 
                    --and text not like '%sp_ms%'
                    --and qs.execution_count>100 and
                   -- (total_elapsed_time / execution_count)/1000>150
        --ORDER BY  'count/minute' DESC;
        ORDER BY   execution_count DESC
    )
    t ORDER BY 'count/minute' DESC
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  • 原文地址:https://www.cnblogs.com/davidhou/p/5354407.html
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