Integration of Integrity Constraints in Federated Schemata Based on Tight Constraining.
Herman BalstersBert O. de BrockPublished in: CoopIS/DOA/ODBASE (1) (2004)
Keyphrases
- integrity constraints
- functional dependencies
- database schema
- schema integration
- conceptual schema
- federated databases
- integrity checking
- deductive databases
- constraint checking
- query answering
- database integrity
- inclusion dependencies
- active rules
- normal form
- xml documents
- lower bound
- database transactions
- database
- conjunctive queries
- information integration
- data integration
- active databases
- worst case
- consistent query answering
- databases