title: "sys.dm_pdw_exec_requests (Transact-SQL) | Microsoft Docs"

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|resource_class|**nvarchar(20)**|The resource class for this request. See related **concurrency_slots_used** in [sys.dm_pdw_resource_waits &#40;Transact-SQL&#41;](../../relational-databases/system-dynamic-management-views/sys-dm-pdw-resource-waits-transact-sql.md). For more information on resource classes, see [Resource classes & workload management](https://docs.microsoft.com/azure/sql-data-warehouse/resource-classes-for-workload-management) |Static Resource Classes</br>staticrc10</br>staticrc20</br>staticrc30</br>staticrc40</br>staticrc50</br>staticrc60</br>staticrc70</br>staticrc80</br> </br>Dynamic Resource Classes</br>SmallRC</br>MediumRC</br>LargeRC</br>XLargeRC|

|importance (Preview for SQL DW Gen2)|**nvarchar(32)**|The importance setting the request was submitted with. Requests with a lower importance will remain queued in suspended state, if higher importance requests are submitted. Requests with higher importance will execute before lower importance requests that were submitted earlier. For more information on importance, see [Workload Importance](https://docs.microsoft.com/azure/sql-data-warehouse/sql-data-warehouse-workload-importance). |NULL</br>low</br>below_normal</br>normal</br>above_normal</br>high|