Keyphrases
- relational algebra
- relational model
- expressive power
- query language
- data model
- relational database systems
- normal form
- relational calculus
- first order logic
- complex objects
- distributed systems
- relational databases
- database technology
- relational data model
- summary tables
- relational operators
- multi agent
- transitive closure
- knn
- algebraic operations
- database query languages
- data mining
- databases