PPT Slide
The Object-Relational DBMS Evolution
- Third Generation Database System Manifesto
- Support rich object structures and rules
- Rich type system, inheritance, encapsulation
- Functions, optional unique ids, rules/trigggers
- Subsume second generation database systems
- High-level query-oriented interface
- Stored and virtual collections
- Updatable views
- Data model/performance feature separation
- Open to other subsystems (tools, middleware)
- Accessible from multiple languages
- Layered persistence-oriented language bindings
- SQL support ("intergalactic dataspeak")
- Query-shipping architecture