OBJRA

ORA (obj relation architecture) is a data structure to describe obj and their relation.
1. obj. Users can create obj definition and create obj according to the definition in running time. obj is flexible and the structure can be very complex in order to describe many kinds of obj.
2. obj relation. Any kinds of relation can be added between any two obj. with many relations, obj are interweave into many trees or network. These is powerful to fulfill many business requirement.
3. The best situation to use ORA is primary data, which is stable, frequently used, complicate in both obj and relation. Such as organization, authorization, product definition.