Persistent objects
ODMG
-
- database extension -- unified type system
Object Definition Language
ODL
-
- standard types objects and literals
- references --
Ref \zline{\c{see} section smart} - collections --
List , Bag , Set
Object Manipulation Language
OML
- create, delete, modify, reference
Object Query Language
OQL
oql(type& value,const char* query,...)