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Relational database integration in the IBM AS/400

A great deal of research has been focused on the development of database machines. In parallel to this work some vendors have developed general purpose machines with database function built directly into the machine architecture. The IBM AS/400 is one of the principle examples of this approach. Designed with a strong object orientation and the basis functions of the relational database model integrated into it's architecture, the AS/400 has proved to be a commercial success. In the present work we look at the database component of the AS/400.