Querying Visible and Invisible Tables in the Presence of Integrity Constraints.
Michael BenediktPierre BourhisBalder ten CateGabriele PuppisPublished in: CoRR (2015)
Keyphrases
- integrity constraints
- databases
- deductive databases
- integrity checking
- functional dependencies
- query answering
- database schema
- database
- inclusion dependencies
- conjunctive queries
- database integrity
- schema integration
- foreign key
- data integration systems
- database transactions
- constraint checking
- null values
- xml documents
- query processing
- consistent query answering
- data warehouse
- materialized views
- data integration
- query language