SQL SERVER 查看数据库执行过哪些语句(SQL历史语句记录)

SQL SERVER 查看数据库执行过哪些语句(SQL历史语句记录)

1、查看SQL执行效率和语句

Select TOP 1000 
       ST.text AS '执行的SQL语句',
       QS.execution_count AS '执行次数',
       QS.total_elapsed_time AS '耗时',
       QS.total_logical_reads AS '逻辑读取次数',
       QS.total_logical_writes AS '逻辑写入次数',
       QS.total_physical_reads AS '物理读取次数',       
       QS.creation_time AS '执行时间' ,  
       QS.*
FROM   sys.dm_exec_query_stats QS
       CROSS APPLY 
sys.dm_exec_sql_text(QS.sql_handle) ST
Where  QS.creation_time BETWEEN '2020-07-01 00:00:00' AND '2020-09-02 11:00:00' 
orDER BY
     QS.total_elapsed_time DESC 

2、其他参考

SELECT TOP 50
 (total_logical_reads + total_logical_writes) AS total_logical_io,
 (total_logical_reads / execution_count) AS avg_logical_reads,
 (total_logical_writes / execution_count) AS avg_logical_writes,
 (total_physical_reads / execution_count) AS avg_phys_reads,
substring (st.text,
(qs.statement_start_offset / 2) + 1,
((CASE qs.statement_end_offset WHEN -1
 THEN datalength (st.text)
ELSE qs.statement_end_offset END
 - qs.statement_start_offset)/ 2)+ 1)
 AS statement_text,
*
FROM sys.dm_exec_query_stats AS qs
 CROSS APPLY sys.dm_exec_sql_text (qs.sql_handle) AS st
ORDER BY total_logical_io DESC 

  

创建时间:2020.07.17  更新时间:

原文地址:https://www.cnblogs.com/guorongtao/p/13329744.html