Grey Tuple Dependency and Grey Relational Algebra.
Ka-Wing WongPublished in: ACM Conference on Computer Science (1995)
Keyphrases
- relational algebra
- expressive power
- relational model
- query language
- data model
- normal form
- first order logic
- complex objects
- relational calculus
- relational database systems
- summary tables
- database
- null values
- relational databases
- incomplete information
- relational data model
- expert systems
- nested relations
- database query languages
- high level