title: schema and database evolution in the o2 object database system f ferrandina , t meyer , r zicari , g ferran , j madec 1995. authors: nan. venue: vldb. year: nan
title: database evolution in the o 2 database system proceedings of the 21st international conference on very. authors: f ferrandina , g ferran , j mdec , t meyer , r zicari. venue: nan. year: nan