Go to Preferences -> Data Sources. In the Connections panel click the New button.
Enter a unique name for this connection and select one of the previously configured Documentum xDb (X-Hive/DB) data sources from the Data Source combo box.
Fill-in the Connection Details:
The URL property for Documentum xDb (X-Hive/DB) connection.
If the property is a URL of the form xhive://host:port, the Documentum xDb (X-Hive/DB) connection will attempt to connect to an Documentum xDb (X-Hive/DB) server running behind the specified TCP/IP port.
User name to access the Documentum xDb (X-Hive/DB) database engine.
Password to access the Documentum xDb (X-Hive/DB) database engine.
The name of the database to access from the Documentum xDb (X-Hive/DB) database engine.
If checked the Documentum xDb (X-Hive/DB) session ends with a commit, otherwise it ends with a rollback.
Click OK.