View Operations on Objects with Roles for a Statically Typed Database Language

@article{Albano2000ViewOO,
  title={View Operations on Objects with Roles for a Statically Typed Database Language},
  author={Antonio Albano and Giuseppe Antognoni and Giorgio Ghelli},
  journal={IEEE Trans. Knowl. Data Eng.},
  year={2000},
  volume={12},
  pages={548-567}
}
To deal with the evolution of data and applications, and with the existence of multiple views for the same data, the object data model needs to be extended with two di erent sets of operations: object extension operations, to allow an object to dynamically change its type, and object viewing operations, to allow an object to be seen as if it had a di erent structure. Object extension and object viewing operations are related, in that they are both identity-preserving operations; but di erent… CONTINUE READING
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