Reusability and schema evolution in object - oriented query models
Date
1996
Authors
Polat, F.
Alhajj, R.
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Abstract
In this paper, we have benefited from having an object algebra maintaining closure that makes it possible to have the output from a query persistent in the hierarchy. Based on this, it is possible to maximize reusability in object-oriented databases. Furthermore, we show how the object algebra is utilized to handle basic schema evolution functions without requiring any special set of built-in functions to serve the purpose. The invariants and the conflict resolving rules are specified. It is also shown how other schema functions are derivable from the basic ones.
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American Society of Mechanical Engineers, Petroleum Division (Publication) PD
Publisher
ASME, New York, NY, United States
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Keywords
Algebra, Data processing, Database systems, Hierarchical systems, Object oriented programming, Query languages, Conflict resolution, Object oriented databases, Object oriented query model, Reusability, Schema evolution, Data structures
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English