O2 is an object-oriented DBMS developed in the 1990s.
The company developing the DBMS (O2 Technology) folded in 1997 and the website was abandoned.
Object-Oriented
Custom API
O2 supported a high-level declarative query language called OQL.
Disk-oriented
Shared-Everything
http://www.o2tech.com
O2 Technology
FR
1990
1997
Commercial
C++, Java, Smalltalk
