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—A major challenge faced by today’s information systems is that of evolution as data usage evolves or new data resources become available. Modern organizations sometimes exchan...
Over the past several decades, the study of conjunctive queries has occupied a central place in the theory and practice of database systems. In recent years, conjunctive queries h...
Database application programs typically contain program units that use SQL statements to manipulate records in database instances. Testing the correctness of data manipulation by ...
We introduce a theoretical framework for discovering relationships between two database instances over distinct and unknown schemata. This framework is grounded in the context of ...