This article is from the Object-Oriented Technology FAQ, by Bob Hathaway rjh@geodesic.com with numerous contributions by others.
An object-oriented, distributed database programming language. Its
most interesting feature is the presence of system-level version
control, which is used to support schema evolution, system-level
versioning (as a way of improving concurrency), and objects with their
own notion of history. System consists of programming language (PAL)
and distributed persistent object manager.
REFERENCES:
Anders Bjornerstedt and Stefan Britts. "AVANCE: An
Object Management System". Proceedings of OOPSLA88.
 
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