Schema Evolution publication categorizer

... support scheme is distinguished from previous mechanisms in that it is primarily concerned with preserving existing database objects and ...

Publication - cat - 04/17/2013 - 12:38 - 0 comments - 1 attachment

... model is proposed for dynamic schema evolution (DSE) in objectbase systems (OBSs) that supports the fundamental concepts of ...

Publication - erhard - 04/17/2013 - 08:49 - 0 comments - 0 attachments

... database reorganizations due to schema modification in object-oriented systems, since these are expensive operations and they ... show that data independence, which is a neglected concept in object databases, helps to avoid reorganizations in case of capacity ...

Publication - cat - 04/17/2013 - 07:05 - 0 comments - 0 attachments

... conversion functions: immediate or lazy database updates. In this paper, we concentrate our attention to the definition of implementation ...

Publication - cat - 04/16/2013 - 19:38 - 0 comments - 1 attachment

... development. On the schema level, a firm restriction in this evolution is that it can only be done by evolving class hierarchies ... subclassing. We show a unified approach to class evolution in object-oriented databases, where class hierarchies are allowed to grow in ...

Publication - cat - 04/16/2013 - 05:27 - 0 comments - 0 attachments