查询执行时间

SELECT
(total_elapsed_time / execution_count)/1000 N'平均时间ms'
,total_elapsed_time/ 1000 N'总花费时间ms'
,total_worker_time/ 1000 N'所用的CPU总时间ms'
,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'
,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'
,creation_time N'语句编译时间'
,last_execution_time N'上次执行时间'
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%'
ORDER BY
total_elapsed_time / execution_count DESC ;