dm_exe_request的应用

dm_exe_request tool

Posted by YangLong on April 2, 2017

dm_exec_requests的使用

Returns information about each request that is executing within SQL Server
查询当前SQL Server中正执行的请求

Column Name Data Type Description
session_id smallint ID of the session to which this request is related. Is not nullable.
request_id int ID of the request. Unique in the context of the session. Is not nullable.
SELECT     
[Spid] = session_Id, ecid, [Database] = DB_NAME(sp.dbid),  
[User] = nt_username, [Status] = er.status, 
[Wait] = wait_type, 
[Individual Query] = SUBSTRING(qt.text, er.statement_start_offset / 2, 
                                   (CASE WHEN er.statement_end_offset = - 1 THEN LEN(CONVERT(NVARCHAR(MAX), qt.text))   * 2 
			     ELSE er.statement_end_offset END - er.statement_start_offset) / 2),
[Parent Query] = qt.text, 
Program = program_name, Hostname, 
nt_domain, 
start_time
FROM  sys.dm_exec_requests er INNER JOIN  sys.sysprocesses sp ON er.session_id = sp.spid 
CROSS APPLY sys.dm_exec_sql_text(er.sql_handle) AS qt
WHERE session_Id > 50 -- Ignore system spids.
AND session_Id NOT IN (@@SPID) 
and DB_NAME(sp.dbid)='CDR_ADT'  --dbname