Object databases systems have now been available for more than five years. They are used in many application areas such as CAD/CAM, software engineering, GIS, Multimedia, telecommunication etc. A key requirement for many of these applications is the ability to connect the system to external applications and tools. This talk addresses the connectivity issue for object database systems.
I will briefly position object databases with respect to relational systems, object-relational systems and relational-object middleware. I will quickly describe the internal architecture of an object database system. Then, I will concentrate on the connection of such a system to the rest of the world. I will in particular address connections to: