执行次数最多的sql语句

SELECT * FROM 
(
    SELECT top 1000 creation_time  N‘语句编译时间‘
            ,last_execution_time  N‘上次执行时间‘
            ,execution_count/datediff(mi,creation_time,getdate()) as ‘平均每分钟执行次数‘
            ,execution_count,datediff(mi,creation_time,getdate()) as ‘编译以来分钟数‘    
            ,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‘
    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 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 ‘平均每分钟执行次数‘ desc