Execution monitoring and debugging tool for Ada using relational algebra.
Andrea Di MaioStefano CeriStefano Crespi-ReghizziPublished in: SIGAda (1985)
Keyphrases
- relational algebra
- relational model
- query language
- expressive power
- normal form
- data model
- relational calculus
- relational database systems
- complex objects
- transitive closure
- first order logic
- database query languages
- summary tables
- relational data model
- recursive queries
- algebraic operations
- conceptual model
- relational databases
- join operator
- null values
- databases