Merge pull request #53753 from Fleid/patch-2

Recommend not to use server admin for large queries

Author: Jak-MS

articles/synapse-analytics/sql-data-warehouse/create-data-warehouse-portal.md

@@ -144,6 +144,8 @@ This section uses [SQL Server Management Studio](/sql/ssms/download-sql-server-m
 
 ## Run some queries
 
+It is not recommended to run large queries while being logged as the server admin, as it uses a [limited resource class](resource-classes-for-workload-management.md). Instead configure [Workload Isolation](https://docs.microsoft.com/azure/synapse-analytics/sql-data-warehouse/quickstart-configure-workload-isolation-tsql) as [illustrated in the tutorials](https://docs.microsoft.com/en-us/azure/synapse-analytics/sql-data-warehouse/load-data-wideworldimportersdw#create-a-user-for-loading-data).
+
 SQL Data Warehouse uses T-SQL as the query language. To open a query window and run some T-SQL queries, use the following steps:
 
 1. Right-select **mySampleDataWarehouse** and select **New Query**. A new query window opens.