In a recently released article on ODBMS.org, Ted Neward elaborated upon his idea that Object/Relational Mapping (ORM) is the Vietnam of Computer Science. Ted says that OODBMS' are better than RDBMS' for some types of apps. A number of people weighed in to
J. Barnejee, W. Kim, H. Kim, and H. Korth. Proceedings of the 12th Annual ACM Conference on the Managemant of Data, page 311--322. San Francisco, (May 1987)