RELAX - the relational algebra pocket calculator project.
Victor MatosRebecca GrasserPublished in: ACM SIGCSE Bull. (2000)
Keyphrases
- relational algebra
- expressive power
- relational model
- data model
- normal form
- query language
- relational database systems
- complex objects
- relational calculus
- first order logic
- transitive closure
- relational databases
- database
- aggregate functions
- relational data model
- join operator
- databases
- relational operators
- summary tables
- functional dependencies
- knowledge base
- recursive queries
- null values
- algebraic operations
- case study
- database technology
- incomplete information
- database design
- knowledge representation
- domain knowledge
- similarity measure
- database query languages
- machine learning
- relational algebra expressions