books.google.com - Information Modeling and Relational Databases, second edition, provides an introduction to ORM (Object-Role Modeling)and much more. In fact, it is the only book to go beyond introductory coverage and provide all of the in-depth instruction you need to transform knowledge from domain experts into a sound...http://books.google.com/books/about/Information_modeling_and_relational_data.html?id=puO_VlbR_x4C&utm_source=gb-gplus-shareInformation modeling and relational databases
