5. Install & Configure ONEWEB Platform5.1. Plan your ONEWEB Installation5.1.3. Check Prerequisite for ONEWEB Installation18.104.22.168. Database Requirements 22.214.171.124.4. Data Files Data File is a physical file of the Table space. One table space need to have at least one Data File. For designing the Data File please consult your DBA. Copyright © 2017 by Avalant. All Rights Reserved.