Persistent objects
ODMG
- database extension -- unified type system
Object Definition Language
ODL
- standard types -- objects and literals
- references -- Ref< T >
- collections -- List< T > , Bag< T >, Set< T >
Object Manipulation Language
OML
- create, delete, modify, reference
Object Query Language
OQL
- oql(type& value,const char* query,...)
slide: The ODMG-93 standardization efforts