Keyphrases
- relational algebra
- aspect oriented
- object oriented
- data model
- query language
- relational model
- expressive power
- normal form
- relational database systems
- software development
- first order logic
- relational calculus
- relational databases
- complex objects
- business applications
- relational data model
- development process
- aspect oriented programming
- software product line
- transitive closure
- database technology
- database query languages
- recursive queries
- relational algebra expressions
- database
- functional dependencies
- null values
- software systems
- software engineering
- management system
- data mining