Global Extensional Assertions and Local Integrity Constraints in Federated Schemata.
Can TürkerGunter SaakePublished in: Inf. Syst. (2000)
Keyphrases
- integrity constraints
- conceptual schema
- federated databases
- functional dependencies
- schema integration
- database schema
- deductive databases
- integrity checking
- conjunctive queries
- database integrity
- constraint checking
- query answering
- xml documents
- database transactions
- knowledge base
- consistent query answering
- databases
- active databases
- active rules
- null values
- entity relationship
- inclusion dependencies
- normal form
- reverse engineering
- xml schema
- relational databases