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The Cosmos DB ODBC Driver is a powerful tool that allows you to connect with live Cosmos DB document databases, directly from any applications that support ODBC connectivity.

Access Cosmos DB like you would a database - read, write, and update through a standard ODBC Driver interface.

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Cosmos DB Reporting and Star Schemas in OBIEE


Create a star schema that shows perspectives on Cosmos DB facts in real time.

The CData ODBC Driver for Cosmos DB is a standard database driver that can integrate real-time access to Cosmos DB data into your data warehouse or directly into your reporting tool. This article shows how to bypass the data warehouse and import operational Cosmos DB data into Oracle Business Intelligence Enterprise Edition (OBIEE).

See the knowledge base for ODBC integrations with ETL tools like Informatica PowerCenter. For an ETL solution into Oracle Warehouse Builder, use the driver with the Oracle ODBC Gateway to Access Cosmos DB Data as a Remote Oracle Database.

Connect to Cosmos DB as an ODBC Data Source

If you have not already, first specify connection properties in an ODBC DSN (data source name). This is the last step of the driver installation. You can use the Microsoft ODBC Data Source Administrator to create and configure ODBC DSNs.

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.

When you configure the DSN, you may also want to set the Max Rows connection property. This will limit the number of rows returned, which is especially helpful for improving performance when designing reports and visualizations.

Import Cosmos DB Metadata

Follow the steps below to use the OBIEE Client Tools to import Cosmos DB metadata into an OBIEE repository. You can then integrate Cosmos DB data into your business models.

  1. Open the Administration Tool and click File -> New Repository.

  2. In the Connection Type menu, select ODBC 3.5 and select the CData DSN.
  3. Select the metadata types you want to import under the Relational Sources option and then select Cosmos DB tables.
You can now create star schemas based on Cosmos DB tables: