Gregory M. Kapfhammer
Build a full-fledged object-oriented database
Add object-based features to relational databases
Use object-relational mapping techniques
Available through the create type command
Allows for the creation of user-defined types
Provides for standard features like methods and constructors
Data types are compatible
Query language is fully integrated
Storage and retrieval is fully automated
By class
By creation
By marking
By reachability
Java database objects
Persistence by reachability
Bytecode enhancement
Database mapping required!
Tracking according to class extents
Unified reference to persistent and transient objects