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A Model for Compound Type Changes Encountered in Schema Evolution

... 420.56 KB Schema evolution is a problem that is faced by long-lived data. When a schema changes, existing persistent data can become inaccessible unless the ... the database maintainer can perform. We have developed a model of type changes involving multiple types. The model describes both type ...

Publication - erhard - 04/17/2013 - 10:05 - 0 comments - 1 attachment

Optimizing Performance of Schema Evolution Sequences

... More than ever before schema transformation is a prevalent problem that needs to be addressed to accomplish for example the ... Such schema transformations are typically composed of a sequence of schema evolution operations. The execution of such sequences can ...

Publication - cat - 04/16/2013 - 07:49 - 0 comments - 1 attachment

ROVER: A Framework for the Evolution of Relationships

... Claypool, K.T.; Rundensteiner, E.A.; Heineman, G.T. Author:  ... propose comprehensive support for relationship evolution. A complete schema evolution facility for any OODB system must provide (1) ...

Publication - cat - 04/16/2013 - 02:49 - 0 comments - 1 attachment