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: schema and database evolution in the oâ 3/4 object database system f ferrandina , t meyer , r zicari , g ferran , j madec proc . of the 21st intâ ?? l conf . on very large databases (. authors: nan. venue: nan. year: nan