Hello Mith, The data model of Ofbiz is very rich and flexible. The best way to start to understand it is to obtain the book "The Data Model Resource Book, Vol. 1: A Library of Universal Data Models for All Enterprises" by Len Silverston. The Ofbiz data model is not the same as that described in the book, but it is based on it.
Once you have looked at the book, use the Web Tools application in Ofbiz (if you have a standard installation, try https://localhost:8443/webtools/control/main ) to browse the entities and examine the relationships between them. If you have populated a database with the example data, you can see that data using the Web Tools. There's in outline of Ofbiz with a brief discussion of the most important entities at https://cwiki.apache.org/OFBADMIN/apache-ofbiz-project-overview.html . Don't expect to absorb and understand everything about Ofbiz all at once. Learn a little bit, find a problem you would like to work on, and extend your knowledge with that goal in mind. Cheers Paul Foxworthy -- View this message in context: http://ofbiz.135035.n4.nabble.com/Documentation-on-using-Objects-of-DataModels-or-Entities-tp3214062p3217597.html Sent from the OFBiz - User mailing list archive at Nabble.com.