This is a rough rendering of a page from the old Prevayler wiki. Please see the new wiki for current documentation.

... is at http://www.dafydd.net

Dafydd wrote a PhD thesis that included a description of OO analysis models
that could only change state in response to a globally visible "event". Concurrent
event execution wasn't allowed, and objects could only behave deterministically.
He never thought he'd find a real database system that looked like these models ;-)

See also: http://c2.com/cgi-bin/wiki?DafyddRees

See: PrevaylerIsNotADatabase.