Adding time dimension to relational model and extending relational algebra.
Abdullah Uz TanselPublished in: Inf. Syst. (1986)
Keyphrases
- relational model
- relational algebra
- relational databases
- data model
- database technology
- relational calculus
- functional dependencies
- complex objects
- relational database systems
- incomplete information
- relational data model
- transitive closure
- aggregate functions
- spatial databases
- conceptual model
- nested relations
- nested relational
- entity relationship
- database query languages
- database
- query language
- database systems
- normal form
- database design
- building blocks
- object oriented
- databases
- integrity constraints
- similarity search
- knn
- data sources
- recursive queries
- data mining