-- What SQL Statements Are Currently Running?
SELECT  start_time
,'Duration(secs)' = datediff(ss,start_time, getdate()) 
, [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
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)     -- Ignore this current statement.
and spid = 55
ORDER BY 1 DESC, 2

Run the above query against the target  server, you can know What SQL Statements Are Currently Running.