• Mathematics
  • Published 1999

The UR data model revisited

@inproceedings{Tsai1999TheUD,
  title={The UR data model revisited},
  author={Yao-Chuan Tsai},
  year={1999}
}
The universal relation (UR) model is an attempt to achieve a very simple user interface by allowing the formulation of queries with respect to a single, imaginary relation (i.e., universal relation) defined over all the attributes appearing in the various relations of a database, while producing answers from the actual relations of the database. Previous publications covering the universal relation model have been too technical to be easily understood, and have not offered a solution to the… CONTINUE READING

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