Optional. If you do not plan to use PXF, no action is necessary.
If you plan to use PXF, refer to Accessing External Data with PXF for introductory PXF information.
Parent topic: Installing Optional Extensions (WarehousePG)
WarehousePG Platform Extension Framework (PXF) v7.4
This section is adapted from the WarehousePG v7.x documentation