Keyphrases
- relational algebra
- expressive power
- query language
- relational model
- normal form
- data model
- relational database systems
- complex objects
- relational calculus
- multiagent systems
- first order logic
- transitive closure
- relational databases
- relational data model
- database query languages
- machine learning
- relational operators
- join operator
- algebraic operations
- database
- functional dependencies
- database design
- summary tables