added sys view for workload group

Author: julieMSFT

articles/synapse-analytics/sql-data-warehouse/sql-data-warehouse-reference-tsql-system-views.md

@@ -40,8 +40,9 @@ Links to the documentation for T-SQL statements supported in Synapse SQL pool.
 * [sys.pdw_table_mappings](/sql/relational-databases/system-catalog-views/sys-pdw-table-mappings-transact-sql?toc=/azure/synapse-analytics/sql-data-warehouse/toc.json&bc=/azure/synapse-analytics/sql-data-warehouse/breadcrumb/toc.json&view=azure-sqldw-latest)
 * [sys.workload_management_workload_classifier_details](/sql/relational-databases/system-catalog-views/sys-workload-management-workload-classifier-details-transact-sql?toc=/azure/synapse-analytics/sql-data-warehouse/toc.json&bc=/azure/synapse-analytics/sql-data-warehouse/breadcrumb/toc.json&view=azure-sqldw-latest)
 * [sys.workload_management_workload_classifiers](/sql/relational-databases/system-catalog-views/sys-workload-management-workload-classifiers-transact-sql?toc=/azure/synapse-analytics/sql-data-warehouse/toc.json&bc=/azure/synapse-analytics/sql-data-warehouse/breadcrumb/toc.json&view=azure-sqldw-latest)
+* [sys.workload_management_workload_groups](/sql/relational-databases/system-catalog-views/sys-workload-management-workload-groups-transact-sql?toc=/azure/synapse-analytics/sql-data-warehouse/toc.json&bc=/azure/synapse-analytics/sql-data-warehouse/breadcrumb/toc.json&view=azure-sqldw-latest)
 
-## SQL Data Warehouse dynamic management views (DMVs)
+## Synapse SQL pool dynamic management views (DMVs)
 
 * [sys.dm_pdw_dms_cores](/sql/relational-databases/system-dynamic-management-views/sys-dm-pdw-dms-cores-transact-sql?toc=/azure/synapse-analytics/sql-data-warehouse/toc.json&bc=/azure/synapse-analytics/sql-data-warehouse/breadcrumb/toc.json&view=azure-sqldw-latest)
 * [sys.dm_pdw_dms_external_work](/sql/relational-databases/system-dynamic-management-views/sys-dm-pdw-dms-external-work-transact-sql?toc=/azure/synapse-analytics/sql-data-warehouse/toc.json&bc=/azure/synapse-analytics/sql-data-warehouse/breadcrumb/toc.json&view=azure-sqldw-latest)