Semantics of Relational Views

  title={Semantics of Relational Views},
  author={François Bancilhon and Nicolas Spyratos},
To translate a complete set, we define a mapping called a “translator,” that associates with each view update a unique database update called a “translation.” The constraint on a translation is to take the database to a state mapping onto the updated view. The constraint on the translator is to be a morphism. We propose a method for defining translators. Together with the user-defined view, we define a “complementary” view such that the database could be computed from the view and its… CONTINUE READING