Extending the Database Relational Model to Capture More Meaning.
E. F. CoddPublished in: ACM Trans. Database Syst. (1979)
Keyphrases
- relational model
- relational databases
- data model
- database
- relational database systems
- database technology
- relational algebra
- data modeling
- functional dependencies
- database systems
- relational database management systems
- database management systems
- databases
- relational calculus
- inclusion dependencies
- complex objects
- query language
- relational data model
- incomplete information
- data integration
- data management
- entity relationship
- object relational
- relational models
- database applications
- object oriented
- natural language
- logical database design
- database query languages
- spatial databases
- conceptual model
- xml schema
- relational data
- distributed systems
- multi agent