Object technology is widely used in database management systems, but few details on its practical application to business are available. This step-by-step guide shows how to create, maintain and manage object-oriented database applications in a corporate environment. This reference covers the fundamental building blocks of object-oriented databases, detailing how they work and how programs and objects interact. It includes proven techniques for modelling and designing effective systems, including many coding examples. C++ and O-O COBOL are also covered.