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13th International Conference on Data Engineering (ICDE'97)   p. 55
WOL: a language for database transformations and constraints

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DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/ICDE.1997.581739
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Abstract
The need to transform data between heterogeneous databases arises from a number of critical tasks in data management. These tasks are complicated by schema evolution in the underlying databases and by the presence of non-standard database constraints. We describe a declarative language called WOL (Well-founded Object Logic) for specifying such transformations, and its implementation in a system called Morphase (an "enzyme" for morphing data). WOL is designed to allow transformations between the complex data structures which arise in object-oriented databases as well as in complex relational databases, and to allow for reasoning about the interactions between database transformations and constraints.
Additional Information
Index Terms- distributed databases; WOL; database transformations; nonstandard database constraints; heterogeneous databases; data management; database schema evolution; declarative language; Well-founded Object Logic; Morphase; data morphing; complex data structures; object-oriented databases; complex relational databases

Citation:  S.B. Davidson, A.S. Kosky, "WOL: a language for database transformations and constraints," icde, p. 55,  13th International Conference on Data Engineering (ICDE'97),  1997

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