WOL: a language for database transformations and constraints

@article{Davidson1997WOLAL,
  title={WOL: a language for database transformations and constraints},
  author={Susan B. Davidson and Anthony Kosky},
  journal={Proceedings 13th International Conference on Data Engineering},
  year={1997},
  pages={55-65}
}
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… CONTINUE READING

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