Extended Algebra and Calculus for Nested Relational Databases.
Mark A. RothHenry F. KorthAbraham SilberschatzPublished in: ACM Trans. Database Syst. (1988)
Keyphrases
- relational databases
- algebraic structure
- relational model
- relational operators
- databases
- database query languages
- relational data model
- normal form
- relation algebra
- database
- data model
- sql queries
- relational calculus
- relational algebra
- query language
- hierarchical data
- nested relations
- database technology
- database schema
- relational data
- xml databases
- incomplete information
- functional dependencies
- xml documents
- computer algebra
- search engine
- hierarchical structure
- database applications