On Simplification of Database Integrity Constraints.
Henning ChristiansenDavide MartinenghiPublished in: Fundam. Informaticae (2006)
Keyphrases
- integrity constraints
- database schema
- database
- inclusion dependencies
- database integrity
- null values
- consistent query answering
- integrity checking
- set of functional dependencies
- conceptual schema
- database transactions
- deductive databases
- active rules
- relational databases
- active databases
- functional dependencies
- consistent answers
- database systems
- xml documents
- query answering
- conjunctive queries
- federated databases
- inconsistent databases
- databases
- database management systems
- foreign key
- schema integration
- universal relation
- heterogeneous databases
- relational model
- query language
- data model