Object-OrieNted. Object-orieNted database laNguage used iN the Altair project. ImplemeNted as aNiNterpreter. GIP Altair, Versailles, FraNce. FraNcois BaNcilhoN et al, iN AdvaNces iN Object-OrieNted Database Systems, K.R. Dittrich ed, LNCS 334, SpriNger 1988. See CO2.