//查询目前系统正在运行的sql
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 AND session_Id NOT IN (@@SPID)