Keyphrases
- databases
- data model
- referential integrity
- database
- relational databases
- data protection
- knowledge discovery
- integrity constraints
- data integrity
- database schemata
- query interface
- data integration
- database systems
- information systems
- database applications
- access control
- database objects
- query language
- integrity checking
- relational database systems
- data management
- data warehouse
- database integrity