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Create an Azure Table Data Source for Denodo Platform

Use the CData JDBC Driver for Azure Table to create a virtual data source for Azure Table data in the Denodo Virtual DataPort Administrator.

Denodo Platform is a data virtualization product providing a single point of contact for enterprise database data. When paired with the CData JDBC Driver for Azure Table, Denodo users can work with live Azure Table data alongside other enterprise data sources. This article walks through creating a virtual data source for Azure Table in the Denodo Virtual DataPort Administrator.

With built-in optimized data processing, the CData JDBC Driver offers unmatched performance for interacting with live Azure Table data. When you issue complex SQL queries to Azure Table, the driver pushes supported SQL operations, like filters and aggregations, directly to Azure Table and utilizes the embedded SQL engine to process unsupported operations client-side (often SQL functions and JOIN operations). Its built-in dynamic metadata querying allows you to work with and analyze Azure Table data using native data types.

Create an Azure Table Virtual Port

To connect to live Azure Table data from Denodo, you need to copy the JDBC Driver JAR file to the external library directory for Denodo and create a new JDBC Data Source from the Virtual DataPort Administrator tool.

  1. Download the CData JDBC Driver for Azure Table installer, unzip the package, and run the JAR file to install the driver.
  2. Copy the JAR File (and license file if it exists) from the installation location (typically C:\Program Files\CData\CData JDBC Driver for Azure Table\lib\) to the Denodo external library directory (C:\Denodo\Denodo Platform\lib-external\jdbc-drivers\cdata-azuretables-19).
  3. Open the Denodo Virtual DataPort Administrator tool and navigate to the Server Explorer tab.
  4. Right-click "admin" and select New -> Data source -> JDBC.
  5. Configure the JDBC Connection:
    • Name: your choice, e.g.: azuretables
    • Database adapter: Generic
    • Driver class path: C:\Denodo\Denodo Platform\lib-external\jdbc-drivers\cdata-azuretables-19
    • Driver class: cdata.jdbc.azuretables.AzureTablesDriver
    • Database URI: Set this to a JDBC URL using the necessary connection properties. For example,

      jdbc:azuretables:AccessKey=myAccessKey;Account=myAccountName;

      Information on creating the Database URI follows:

      Built-In Connection String Designer

      For assistance in constructing the JDBC URL, use the connection string designer built into the Azure Table JDBC Driver. Either double-click the JAR file or execute the jar file from the command-line.

      java -jar cdata.jdbc.azuretables.jar

      Fill in the connection properties and copy the connection string to the clipboard.

      Specify your AccessKey and your Account to connect. Set the Account property to the Storage Account Name and set AccessKey to one of the Access Keys. Either the Primary or Secondary Access Keys can be used. To obtain these values, navigate to the Storage Accounts blade in the Azure portal. You can obtain the access key by selecting your account and clicking Access Keys in the Settings section.

  6. Click the "Test connection" button to confirm the configuration and click Save.

View Azure Table Data in the VirtualPort Administrator Tool

After creating the data source, you can create a base view of Azure Table data for use in the Denodo Platform.

  1. Click the "Create base view" button in the newly created VirtualPort (admin.AzureTables).
  2. Expand the object tree and select the objects (tables) you wish to import.
  3. Click the "Create selected" button to create views of the Azure Table data.
    Optional: Click "Create associations from foreign keys" to define relationships between the objects.
  4. With the view(s) created, navigate to a table (cdata_azuretables_northwindproducts) in the Server Explorer and double-click the selected table.
  5. In the new tab, click "Execution panel" to open a query panel.
  6. Customize the query in the "Execute" tab or use the default:
    SELECT * FROM cdata_azuretables_northwindproducts CONTEXT ('i18n'='us_est', 'cache_wait_for_load'='true')
    
  7. Click Execute to view the data.

With the base view created, you can now work with live Azure Table data like you would any other data source in Denodo Platform, for example, querying Azure Table in the Denodo Data Catalog.

Download a free, 30-day trial of the CData JDBC Driver for Azure Table and start working with your live Azure Table data in Denodo Platform. Reach out to our Support Team if you have any questions.