A Database Sublanguage Founded on the Relational Calculus.
E. F. CoddPublished in: SIGFIDET Workshop (1971)
Keyphrases
- relational calculus
- database
- relational algebra
- expressive power
- query language
- relational data model
- arithmetic constraints
- relational model
- complex objects
- data model
- databases
- database management systems
- relational databases
- structured query language
- database applications
- relational database systems
- data management
- first order logic
- normal form
- database systems
- database query languages
- knowledge base
- multi dimensional
- object oriented
- management system
- database schema
- entity relationship
- metadata