查詢語句執行效率
1 SELECT top 100 2 (total_elapsed_time / execution_count)/1000 N'平均時間ms' 3 ,total_elapsed_time/1000 N'總花費時間ms' 4 ,total_worker_time/1000 N'所用的CPU總時間ms' 5 ,total_physical_reads N'物理讀取總次數' 6 ,total_logical_reads/execution_count N'每次邏輯讀次數' 7 ,total_logical_reads N'邏輯讀取總次數' 8 ,total_logical_writes N'邏輯寫入總次數' 9 ,execution_count N'執行次數' 10 ,creation_time N'語句編譯時間' 11 ,last_execution_time N'上次執行時間' 12 ,SUBSTRING( 13 st.text, 14 (qs.statement_start_offset/2) + 1, 15 ( 16 (CASE statement_end_offset WHEN -1 THEN DATALENGTH(st.text) ELSE qs.statement_end_offset END - qs.statement_start_offset)/2 17 ) + 1 18 ) N'執行語句' 19 ,qp.query_plan 20 FROM sys.dm_exec_query_stats AS qs 21 CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) st 22 CROSS APPLY sys.dm_exec_query_plan(qs.plan_handle) qp 23 WHERE 24 SUBSTRING( 25 st.text, 26 (qs.statement_start_offset/2) + 1, 27 ( 28 (CASE statement_end_offset WHEN -1 THEN DATALENGTH(st.text) ELSE qs.statement_end_offset END - qs.statement_start_offset)/2 29 ) + 1 30 ) not like '%fetch%' 31 ORDER BY total_elapsed_time / execution_count DESC 32
查看鎖表進程
1 SELECT request_session_id AS spid , 2 OBJECT_NAME(resource_associated_entity_id) AS 'table' 3 FROM sys.dm_tran_locks 4 WHERE resource_type = 'OBJECT'
殺死進程
1 KILL [spid]
獲得執行詳細語句
1 DBCC INPUTBUFFER(spid)