Update sql-data-warehouse-manage-monitor.md

Naming of column in example script seemed inconsistent with the table that was referenced. (Apparent mixup between waiting and blocking). 

Aligned displayed columns and added two so both waiting and blocking are shown

Author: AndersUP

articles/synapse-analytics/sql-data-warehouse/sql-data-warehouse-manage-monitor.md

@@ -340,11 +340,13 @@ The following query provides the query text and identifier for the waiting and b
 SELECT waiting.session_id AS WaitingSessionId,
        waiting.request_id AS WaitingRequestId,
        COALESCE(waiting_exec_request.command,waiting_exec_request.command2) AS WaitingExecRequestText,
+       waiting.object_name AS Waiting_Object_Name,
+       waiting.object_type AS Waiting_Object_Type,
        blocking.session_id AS BlockingSessionId,
        blocking.request_id AS BlockingRequestId,
        COALESCE(blocking_exec_request.command,blocking_exec_request.command2) AS BlockingExecRequestText,
-       waiting.object_name AS Blocking_Object_Name,
-       waiting.object_type AS Blocking_Object_Type,
+       blocking.object_name AS Blocking_Object_Name,
+       blocking.object_type AS Blocking_Object_Type,
        waiting.type AS Lock_Type,
        waiting.request_time AS Lock_Request_Time,
        datediff(ms, waiting.request_time, getdate())/1000.0 AS Blocking_Time_sec