See the actual query used by a process

SELECT sqltext.TEXT,

req.session_id,
req.status,
req.command,
req.cpu_time,
req.total_elapsed_time,
req.user_id,
req.reads,
s.login_name
FROM sys.dm_exec_requests req
inner join sys.dm_exec_sessions s
       on req.session_id = s.session_id 
CROSS APPLY sys.dm_exec_sql_text(sql_handle) AS sqltext