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title: 'Quickstart: Scale compute for Synapse SQL pool (Azure portal)'
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description: You can scale compute for Synapse SQL pool (data warehouse) using the Azure portal.
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title: "Quickstart: Scale compute for an Azure Synapse dedicated SQL pool (formerly SQL DW) with the Azure portal"
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description: You can scale compute for an Azure Synapse dedicated SQL pool (formerly SQL DW) with the Azure portal.
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author: kedodd
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ms.author: kedodd
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manager: craigg
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ms.reviewer: sngun
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ms.date: 03/09/2022
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ms.topic: quickstart
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ms.date: 02/22/2023
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ms.service: synapse-analytics
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ms.subservice: sql-dw
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ms.custom: seo-lt-2019, azure-synapse, mode-ui
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ms.topic: quickstart
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ms.custom:
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- azure-synapse
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- mode-ui
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---
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# Quickstart: Scale compute for Synapse SQL pool with the Azure portal
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# Quickstart: Scale compute for an Azure Synapse dedicated SQL pool (formerly SQL DW) with the Azure portal
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You can scale compute for an Azure Synapse dedicated SQL pool (formerly SQL DW) with the Azure portal. [Scale out compute](sql-data-warehouse-manage-compute-overview.md) for better performance, or scale back compute to save costs.
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You can scale compute for Synapse SQL pool (data warehouse) using the Azure portal. [Scale out compute](sql-data-warehouse-manage-compute-overview.md) for better performance, or scale back compute to save costs.
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If you don't have an Azure subscription, create a [free Azure account](https://azure.microsoft.com/free/) before you begin.
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> [!NOTE]
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> This article applies to dedicated SQL pools (formerly SQL DW). This content does not apply to dedicated SQL pools in an Azure Synapse Analytics workspace. For similar instructions for dedicated SQL pools (formerly SQL DW), see [Quickstart: Scale compute for an Azure Synapse dedicated SQL pool in a Synapse workspace with the Azure portal](quickstart-scale-compute-workspace-portal.md).
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> For more on the differences between dedicated SQL pools (formerly SQL DW) and dedicated SQL pools in Azure Synapse Workspaces, read [What's the difference between Azure Synapse (formerly SQL DW) and Azure Synapse Analytics Workspace](https://techcommunity.microsoft.com/t5/azure-synapse-analytics-blog/what-s-the-difference-between-azure-synapse-formerly-sql-dw-and/ba-p/3597772).
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If you don't have an Azure subscription, create a [free](https://azure.microsoft.com/free/) account before you begin.
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## Sign in to the Azure portal
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You can scale a SQL pool that you already have or use [Quickstart: create and connect - portal](create-data-warehouse-portal.md) to create a SQL pool named `mySampleDataWarehouse`. This quickstart scales `mySampleDataWarehouse`.
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>[!IMPORTANT]
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>Your SQL pool must be online to scale.
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>[!IMPORTANT]
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>Your SQL pool must be online to scale.
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## Scale compute
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To change data warehouse units:
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1. Select **Azure Synapse Analytics (formerly SQL DW)** in the left page of the Azure portal.
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2. Select `mySampleDataWarehouse` from the **Azure Synapse Analytics (formerly SQL DW)** page. The SQL pool opens.
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3. Select **Scale**.
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1. Select `mySampleDataWarehouse` from the **Azure Synapse Analytics (formerly SQL DW)** page. The SQL pool opens.
:::image type="content" source="./media/quickstart-scale-compute-portal/scale-dedicated-sql-pool-azure-portal.png" alt-text="A screenshot of the Azure portal showing the Scale button on the Overview page of a dedicated sql pool (formerly SQL DW)." lightbox="./media/quickstart-scale-compute-portal/scale-dedicated-sql-pool-azure-portal.png":::
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2. In the Scale panel, move the slider left or right to change the DWU setting. Then select scale.
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1. In the Scale panel, move the slider left or right to change the DWU setting. Then select scale.
:::image type="content" source="./media/quickstart-scale-compute-portal/scale-dwu.png" alt-text="A screenshot of the Azure portal showing the scale slider.":::
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## Next steps
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To learn more about SQL pool, continue to the [Load data into SQL pool](./load-data-from-azure-blob-storage-using-copy.md) tutorial.
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- To learn more about SQL pool, continue to the [Load data into SQL pool](./load-data-from-azure-blob-storage-using-copy.md) tutorial.
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---
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title: 'Quickstart: Scale compute in dedicated SQL pool (formerly SQL DW) - T-SQL'
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title: "Quickstart: Scale compute in dedicated SQL pool (formerly SQL DW) - T-SQL"
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description: Scale compute in dedicated SQL pool (formerly SQL DW) using T-SQL and SQL Server Management Studio (SSMS). Scale out compute for better performance, or scale back compute to save costs.
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author: kedodd
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ms.author: kedodd
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manager: craigg
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ms.reviewer: wiassaf
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ms.date: 02/22/2023
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ms.service: synapse-analytics
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ms.topic: quickstart
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ms.subservice: sql-dw
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ms.date: 03/09/2022
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ms.reviewer: wiassaf
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ms.custom: seo-lt-2019, azure-synapse, mode-other
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ms.topic: quickstart
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ms.custom:
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- azure-synapse
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- mode-other
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---
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# Quickstart: Scale compute for dedicated SQL pool (formerly SQL DW) in Azure Synapse Analytics using T-SQL
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Scale compute in dedicated SQL pool (formerly SQL DW) using T-SQL and SQL Server Management Studio (SSMS). [Scale out compute](sql-data-warehouse-manage-compute-overview.md) for better performance, or scale back compute to save costs.
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Scale compute in dedicated SQL pools using T-SQL and SQL Server Management Studio (SSMS). [Scale out compute](sql-data-warehouse-manage-compute-overview.md) for better performance, or scale back compute to save costs.
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If you don't have an Azure subscription, create a [free](https://azure.microsoft.com/free/) account before you begin.
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If you don't have an Azure subscription, create a [free Azure account](https://azure.microsoft.com/free/) before you begin.
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> [!NOTE]
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> This article applies to dedicated SQL pools created in Azure Synapse Analytics workspaces, dedicated SQL pools (formerly SQL DW), and dedicated SQL pools (formerly SQL DW) in connected workspaces.
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## Before you begin
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Download and install the newest version of [SQL Server Management Studio](/sql/ssms/download-sql-server-management-studio-ssms?toc=/azure/synapse-analytics/sql-data-warehouse/toc.json&bc=/azure/synapse-analytics/sql-data-warehouse/breadcrumb/toc.json&view=azure-sqldw-latest&preserve-view=true) (SSMS).
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## Create a dedicated SQL pool (formerly SQL DW)
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## Create a dedicated SQL pool if needed
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This quickstart assumes you already have a dedicated SQL pool.
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If needed, it is recommended to created a new dedicated SQL pool in an Azure Synapse workspace. [Create an Azure Synapse workspace](../quickstart-create-workspace.md) and then [create a dedicated SQL pool using Synapse Studio](../quickstart-create-sql-pool-studio.md). Or, you can create a legacy dedicated SQL pool (formerly SQL DW), using [Quickstart: create and Connect - portal](create-data-warehouse-portal.md) to create a dedicated SQL pool (formerly SQL DW) named `mySampleDataWarehouse`.
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Use [Quickstart: create and Connect - portal](create-data-warehouse-portal.md) to create a dedicated SQL pool (formerly SQL DW) named `mySampleDataWarehouse`. Complete the quickstart to ensure you have a firewall rule and can connect to your dedicated SQL pool (formerly SQL DW) from within SQL Server Management Studio.
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Ensure you have a firewall rule and can connect to your dedicated SQL pool from within SQL Server Management Studio (SSMS).
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## Connect to the server as server admin
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This section uses [SQL Server Management Studio](/sql/ssms/download-sql-server-management-studio-ssms?toc=/azure/synapse-analytics/sql-data-warehouse/toc.json&bc=/azure/synapse-analytics/sql-data-warehouse/breadcrumb/toc.json&view=azure-sqldw-latest&preserve-view=true) (SSMS) to establish a connection to your Azure SQL server.
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1. Open SQL Server Management Studio.
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2. In the **Connect to Server** dialog box, enter the following information:
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1. In the **Connect to Server** dialog box, enter the following information:
| Server type | Database engine | This value is required |
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| Server name | The fully qualified server name | Here's an example: **mySampleDataWarehouseservername.database.windows.net**. |
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| Authentication | SQL Server Authentication | SQL Authentication is the only authentication type that is configured in this tutorial. |
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| Login | The server admin account | The account that you specified when you created the server. |
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| Password | The password for your server admin account | The password you specified when you created the server. |
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:::image type="content" source="./media/quickstart-scale-compute-tsql/connect-to-server.png" alt-text="A screenshot from SQL Server Management Studio to connect to the dedicated SQL pool.":::
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3. Select **Connect**. The Object Explorer window opens in SSMS.
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1. Select **Connect**. The Object Explorer window opens in SSMS.
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4. In Object Explorer, expand **Databases**. Then expand `mySampleDataWarehouse` to view the objects in your new database.
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1. In Object Explorer, expand **Databases**. Then expand `mySampleDataWarehouse` to view the objects in your new database.
:::image type="content" source="./media/quickstart-scale-compute-tsql/connected.png" alt-text="A screenshot from SQL Server Management Studio Object Explorer showing database objects.":::
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## View service objective
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To view the current data warehouse units for your dedicated SQL pool (formerly SQL DW):
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1. Under the connection to `mySampleDataWarehouseservername.database.windows.net`, expand **System Databases**.
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2. Right-click on the `master` system database and select **New Query**. A new query window opens.
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3. Run the following query to select from the `sys.database_service_objectives` dynamic management view.
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1. Right-click on the `master` system database and select **New Query**. A new query window opens.
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1. Run the following query to select from the `sys.database_service_objectives` dynamic management view.
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```sql
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SELECT
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db.name [Database]
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, ds.edition [Edition]
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, ds.service_objective [Service Objective]
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db.nameAS[Database]
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, ds.editionAS[Edition]
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, ds.service_objectiveAS[Service Objective]
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FROM
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sys.database_service_objectives ds
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JOIN
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sys.databases db ONds.database_id=db.database_id
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WHERE
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db.name='mySampleDataWarehouse'
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db.name='mySampleDataWarehouse';
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```
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4. The following results show `mySampleDataWarehouse` has a service objective of DW400.
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1. The following results show `mySampleDataWarehouse` has a service objective of DW400in the `Service Objective` column.
:::image type="content" source="./media/quickstart-scale-compute-tsql/view-current-dwu.png" alt-text="A screenshot from SQL Server Management Studio results set showing the current DWU in the Service Objective column .":::
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## Scale compute
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To change data warehouse units:
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1. Right-click on the `master` system database andselect**New Query**.
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2. Use the [ALTER DATABASE](/sql/t-sql/statements/alter-database-azure-sql-database?toc=/azure/synapse-analytics/sql-data-warehouse/toc.json&bc=/azure/synapse-analytics/sql-data-warehouse/breadcrumb/toc.json&view=azure-sqldw-latest&preserve-view=true) T-SQL statement to modify the service objective. Run the following query to change the service objective to DW300.
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1. Use the [ALTER DATABASE](/sql/t-sql/statements/alter-database-azure-sql-database?toc=/azure/synapse-analytics/sql-data-warehouse/toc.json&bc=/azure/synapse-analytics/sql-data-warehouse/breadcrumb/toc.json&view=azure-sqldw-latest&preserve-view=true) T-SQL statement to modify the service objective. Run the following query to change the service objective to DW300.
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```Sql
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ALTER DATABASE mySampleDataWarehouse
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To poll for the service object change status:
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1. Right-click on the `master` system database andselect**New Query**.
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2. Run the following query to poll the [sys.dm_operation_status](/sql/relational-databases/system-dynamic-management-views/sys-dm-operation-status-azure-sql-database?view=azure-sqldw-latest&preserve-view=true) DMV.
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1. Run the following query to poll the [sys.dm_operation_status](/sql/relational-databases/system-dynamic-management-views/sys-dm-operation-status-azure-sql-database?view=azure-sqldw-latest&preserve-view=true) DMV.
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```sql
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WHILE
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PRINT 'Complete';
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```
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3. The resulting output shows a log of the polling of the status.
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1. The resulting output shows a log of the polling of the status.
:::image type="content" source="./media/quickstart-scale-compute-tsql/polling-output.png" alt-text="A screenshot from SQL Server Management Studio showing the output of the query to monitor the dedicated SQL pool operation status. A series of 'Scale operation in progress' lines is displayed, ending with a line that says 'Complete'.":::
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## Check dedicated SQL pool (formerly SQL DW) state
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WHERE
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resource_type_desc = 'Database'
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AND
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major_resource_id = 'mySampleDataWarehouse';
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```
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## Next steps
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You've now learned how to scale compute for your dedicated SQL pool (formerly SQL DW). To learn more about Azure Synapse Analytics, continue to the tutorial for loading data.
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> [!div class="nextstepaction"]
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>[Load data into a dedicated SQL pool](./load-data-from-azure-blob-storage-using-copy.md)
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>[Load data into a dedicated SQL pool](./load-data-from-azure-blob-storage-using-copy.md)
title: "Quickstart: Scale compute for an Azure Synapse dedicated SQL pool in a Synapse workspace with the Azure portal"
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description: Learn how to scale compute for an Azure Synapse dedicated SQL pool in a Synapse workspace with the Azure portal.
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author: kedodd
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ms.author: kedodd
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manager: craigg
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ms.reviewer: sngun
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ms.date: 02/22/2023
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ms.service: synapse-analytics
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ms.subservice: sql-dw
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ms.topic: quickstart
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ms.custom:
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- azure-synapse
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- mode-ui
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---
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# Quickstart: Scale compute for an Azure Synapse dedicated SQL pool in a Synapse workspace with the Azure portal
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You can scale compute for an Azure Synapse dedicated SQL pool in a Synapse workspace using the Azure portal. [Scale out compute](sql-data-warehouse-manage-compute-overview.md) for better performance, or scale back compute to save costs.
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If you don't have an Azure subscription, create a [free Azure account](https://azure.microsoft.com/free/) before you begin.
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> [!NOTE]
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> This article applies to dedicated SQL pools created in Azure Synapse Analytics workspaces. This content does not apply to dedicated SQL pools (formerly SQL DW) or dedicated SQL pools (formerly SQL DW) in connected workspaces. For similar instructions for dedicated SQL pools (formerly SQL DW), see [Quickstart: Scale compute for an Azure Synapse dedicated SQL pool (formerly SQL DW) with the Azure portal](quickstart-scale-compute-portal.md).
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> For more on the differences between dedicated SQL pools (formerly SQL DW) and dedicated SQL pools in Azure Synapse Workspaces, read [What's the difference between Azure Synapse (formerly SQL DW) and Azure Synapse Analytics Workspace](https://techcommunity.microsoft.com/t5/azure-synapse-analytics-blog/what-s-the-difference-between-azure-synapse-formerly-sql-dw-and/ba-p/3597772).
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## Sign in to the Azure portal
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Sign in to the [Azure portal](https://portal.azure.com/).
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## Before you begin
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You can scale a SQL pool that you already have or use [Quickstart: create and connect - portal](create-data-warehouse-portal.md) to create a SQL pool named `mySampleDataWarehouse`. This quickstart scales `mySampleDataWarehouse`.
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> [!IMPORTANT]
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> Your SQL pool must be online to scale.
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## Scale compute
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SQL pool compute resources can be scaled by increasing or decreasing data warehouse units. The [Quickstart: create and connect - portal](create-data-warehouse-portal.md) created `mySampleDataWarehouse` and initialized it with 400 DWUs. The following steps adjust the DWUs for `mySampleDataWarehouse`.
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To change data warehouse units:
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1. Select **Azure Synapse Analytics** in the left page of the Azure portal.
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1. Under **Analytical pools**, select **SQL pools** from the main menu.
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1. Select `mySampleDataWarehouse` from the list of pools. The SQL pool opens.
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1. Select **Scale** from the navigation menu.
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:::image type="content" source="./media/quickstart-scale-compute-workspace-portal/scale-dedicated-sql-pool-azure-portal.png" alt-text="A screenshot of the Azure portal showing the Scale button on the Overview page of a dedicated SQL pool." lightbox="./media/quickstart-scale-compute-portal/scale-dedicated-sql-pool-azure-portal.png":::
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1. In the **Scale** panel, move the slider left or right to change the DWU setting. Then select **Save**.
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:::image type="content" source="./media/quickstart-scale-compute-workspace-portal/dedicated-sql-pool-scale-slider-azure-portal.png" alt-text="A screenshot of the Azure portal showing the Scale slider on the Scale page of a dedicated SQL pool in an Azure Synapse workspace." lightbox="./media/quickstart-scale-compute-portal/dedicated-sql-pool-scale-slider-azure-portal.png":::
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## Next steps
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- To learn more about SQL pool, continue to the [Load data into SQL pool](./load-data-from-azure-blob-storage-using-copy.md) tutorial.
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-[Quickstart: Scale compute for dedicated SQL pools in Azure Synapse Workspaces with Azure PowerShell](quickstart-scale-compute-workspace-powershell.md)
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> [Load data into a dedicated SQL pool](load-data-from-azure-blob-storage-using-copy.md)
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- To get started with Azure Synapse Analytics, see [Get Started with Azure Synapse Analytics](../get-started.md).
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- To learn more about dedicated SQL pools in Azure Synapse Analytics, see [What is dedicated SQL pool (formerly SQL DW) in Azure Synapse Analytics?](sql-data-warehouse-overview-what-is.md)
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- To learn more about dedicated SQL pools in Azure Synapse Analytics, see [What is dedicated SQL pool (formerly SQL DW) in Azure Synapse Analytics?](sql-data-warehouse-overview-what-is.md)
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-[Quickstart: Scale compute for an Azure Synapse dedicated SQL pool in a Synapse workspace with the Azure portal](quickstart-scale-compute-workspace-portal.md)
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