How to Configure PostgreSQL 8.3 Data Source Drivers To configure a data source for connecting to a PostgreSQL server, follow these steps: Go to http://jdbc.postgresql.org/download.html and download the PostgreSQL 8.3 JDBC3 driver. Open the Preferences dialog box (Options > Preferences) and go to Data Sources. Click the New button in the Data Sources panel. The dialog box for configuring a data source is opened. Enter a unique name for the data source. Select PostgreSQL in the driver Type drop-down list. Click the Add Files button and select the PostgreSQL driver file that you downloaded. The PostgreSQL driver file is called postgresql-8.3-603.jdbc3.jar. Select the most appropriate Driver class. Click the OK button to finish the data source configuration. Continue on to configure your PostgreSQL connection.