Operation-oriented query language approach for recursive queries - Part 1. Functional definition.
Timo NiemiKalervo JärvelinPublished in: Inf. Syst. (1992)
Keyphrases
- recursive queries
- query language
- transitive closure
- expressive power
- query optimization
- data model
- relational algebra
- datalog programs
- semi structured data
- fixpoint
- query evaluation
- aggregate functions
- object oriented
- conjunctive queries
- constraint databases
- database
- conceptual model
- regular expressions
- xml data
- databases
- semistructured data
- structured data
- database theory
- database systems