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Use the API Server and Cosmos DB ADO.NET Provider to Access Cosmos DB Data in Microsoft PowerPivot
Use the API Server to connect to live Cosmos DB data in the PowerPivot business intelligence tool.
This article will explain how to use the API Server and the ADO.NET Provider for Cosmos DB (or any of 200+ other ADO.NET Providers) to provide Cosmos DB data as OData services and then consume the data in Microsoft Excel's PowerPivot business intelligence tool. Follow the steps below to retrieve and edit Cosmos DB data in Power Pivot.
Set Up the API Server
Follow the steps below to begin producing secure Cosmos DB OData services:
Deploy
The API Server runs on your own server. On Windows, you can deploy using the stand-alone server or IIS. On a Java servlet container, drop in the API Server WAR file. See the help documentation for more information and how-tos.
The API Server is also easy to deploy on Microsoft Azure, Amazon EC2, and Heroku.
Connect to Cosmos DB
After you deploy the API Server and the ADO.NET Provider for Cosmos DB, provide authentication values and other connection properties needed to connect to Cosmos DB by clicking Settings -> Connections and adding a new connection in the API Server administration console.
To obtain the connection string needed to connect to a Cosmos DB account using the SQL API, log in to the Azure Portal, select Azure Cosmos DB, and select your account. In the Settings section, click Connection String and set the following values:
- AccountEndpoint: The Cosmos DB account URL from the Keys blade of the Cosmos DB account
- AccountKey: In the Azure portal, navigate to the Cosmos DB service and select your Azure Cosmos DB account. From the resource menu, go to the Keys page. Find the PRIMARY KEY value and set AccountKey to this value.
You can then choose the Cosmos DB entities you want to allow the API Server access to by clicking Settings -> Resources.
Additionally, click Settings -> Server and set the Default Format to XML (Atom) for compatibility with Excel.
Authorize API Server Users
After determining the OData services you want to produce, authorize users by clicking Settings -> Users. The API Server uses authtoken-based authentication and supports the major authentication schemes. Access can also be restricted based on IP address; by default, only connections to the local machine are allowed. You can authenticate as well as encrypt connections with SSL.
Import Cosmos DB Tables in Power Pivot
Follow the steps below to import tables that can be refreshed on demand:
- In Excel, click the PowerPivot Window icon in the PowerPivot tab to open PowerPivot.
- Click Home -> Get External Data -> From Data Service -> From OData Data Feed.
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Add authentication parameters. Click Advanced and set the Integrated Security option to Basic. You will need to enter the User Id and Password of a user who has access to the CData API Server. Set the password to the user's authtoken.
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In the Base URL box, enter the OData URL of the CData API Server. For example, http://localhost:8032/api.rsc.
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Select which tables you want to import and click Finish.
You can now work with Cosmos DB data in Power Pivot.
