---
title: Edit and Delete an Index
ms.custom: ""
ms.date: "03/01/2017"
ms.prod: sql
ms.prod_service: "mds"
ms.reviewer: ""
ms.technology: master-data-services
ms.topic: conceptual
ms.assetid: f8fb2a63-f9ae-4b9d-b26f-2024d9af15c5
author: lrtoyou1223
ms.author: lle
---
# Edit and Delete an Index (Master Data Services)

[!INCLUDE[appliesto-ss-xxxx-xxxx-xxx-md-winonly](../includes/appliesto-ss-xxxx-xxxx-xxx-md-winonly.md)]

  You can edit and delete an index that you've created on attributes.  
  
## Prerequisites  
 To perform this procedure:  
  
-   You must have permission to access the System Administration functional area. For more information, see [Functional Area Permissions (Master Data Services)](../master-data-services/functional-area-permissions-master-data-services.md).  
  
-   You must be a model administrator. For more information, see [Administrators (Master Data Services)](../master-data-services/administrators-master-data-services.md).  
  
 **To edit an index**  
  
1.  In Master Data Manager, click **System Administration**.  
  
2.  On the **Manage Model** page, select a model from the grid, and then click **Entities**.  
  
3.  On the **Manage Entity** page, from the grid select the entity that contains the index you want to edit.  
  
4.  Click **Indexes**.  
  
5.  On the **Manage Index** page, select the index you want to edit and then click **Edit**.  
  
6.  In the **Name** box, type the updated name of the index.  
  
7.  Select or clear the **IsUnique** checkbox.  
  
8.  Edit the assigned attributes list by adding and removing attributes from the list.  
  
9. Click **Save**.  
  
 **To delete an index**  
  
1.  On the **Manage Model** page, select a model from the grid and then click **Entities**.  
  
2.  On the **Manage Entity** page, from the grid select the entity that contains the index you want to delete.  
  
3.  Click **Indexes**.  
  
4.  On the **Manage Index** page, select the index that you want to delete and then click **Delete**.  
  
5.  In the confirmation message boxes, click **OK**.  
  
## See Also  
 [Create an Index (Master Data Services)](../master-data-services/create-an-index-master-data-services.md)   
 [Custom Index (Master Data Services)](../master-data-services/custom-index-master-data-services.md)