Specification of Spatial Integrity Constraints in Pictorial Databases.
Arturo PizanoAllen KlingerAlfonso F. CardenasPublished in: Computer (1989)
Keyphrases
- integrity constraints
- databases
- inclusion dependencies
- null values
- active rules
- database integrity
- functional dependencies
- conceptual schema
- database transactions
- query answering
- integrity checking
- deductive databases
- spatial data
- database schema
- conjunctive queries
- relational databases
- database
- constraint checking
- xml documents
- schema integration
- set of functional dependencies
- inconsistent databases
- database systems
- database applications
- federated databases
- data model
- consistent query answering
- constraint language
- spatial databases
- active databases
- xml schema
- consistent answers
- database queries
- relational database systems