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Create a xBase Data Source for Denodo Platform

Use the CData JDBC Driver for xBase to create a virtual data source for xBase 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 xBase, Denodo users can work with live xBase data alongside other enterprise data sources. This article walks through creating a virtual data source for xBase in the Denodo Virtual DataPort Administrator.

With built-in optimized data processing, the CData JDBC Driver offers unmatched performance for interacting with live xBase data. When you issue complex SQL queries to xBase, the driver pushes supported SQL operations, like filters and aggregations, directly to xBase 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 xBase data using native data types.

Create a xBase Virtual Port

To connect to live xBase 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 xBase 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 xBase\lib\) to the Denodo external library directory (C:\Denodo\Denodo Platform\lib-external\jdbc-drivers\cdata-xbase-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.: xbase
    • Database adapter: Generic
    • Driver class path: C:\Denodo\Denodo Platform\lib-external\jdbc-drivers\cdata-xbase-19
    • Driver class: cdata.jdbc.xbase.xBaseDriver
    • Database URI: Set this to a JDBC URL using the necessary connection properties. For example,

      jdbc:xbase:DataSource=MyDBFFilesFolder;

      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 xBase JDBC Driver. Either double-click the JAR file or execute the jar file from the command-line.

      java -jar cdata.jdbc.xbase.jar

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

      The DataSource property must be set to the name of the folder that contains the .dbf files. Specify the IncludeFiles property to work with xBase table files having extensions that differ from .dbf. Specify multiple extensions in a comma-separated list.

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

View xBase Data in the VirtualPort Administrator Tool

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

  1. Click the "Create base view" button in the newly created VirtualPort (admin.xBase).
  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 xBase 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_xbase_invoices) 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_xbase_invoices 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 xBase data like you would any other data source in Denodo Platform, for example, querying xBase in the Denodo Data Catalog.

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