In this paper, we address the problem of supporting more exibility on the schema of object-oriented databases. We describe a general framework based on an object-oriented data mode...
The issues of schema evolution and temporal object models are generally considered to be orthogonal and are handled independently. However, to properly model applications that nee...
Iqbal A. Goralwalla, Duane Szafron, M. Tamer Ö...
Object database management systems (ODBMSs) typically offer fixed approaches to evolve the schema of the database and adapt existing instances accordingly. Applications, however, h...
Like any other database application object database applications are subject to evolution. Evolution is, however, critical in object databases because it is the very characteristic...
A logical database schema, e.g. a relational one, is an implementation of a speci cation, e.g. an entity-relationship diagram. Upcoming new data models and the necessity of seamle...