XQuery rewriting at the relational algebra level.
Hui ZhangFrank Wm. TompaPublished in: Comput. Syst. Sci. Eng. (2003)
Keyphrases
- relational algebra
- query language
- expressive power
- data model
- relational model
- relational calculus
- rewriting rules
- relational database systems
- conjunctive queries
- normal form
- complex objects
- duplicate elimination
- xml data
- transitive closure
- query rewriting
- sparql queries
- aggregate functions
- first order logic
- recursive queries
- database query languages
- database
- query evaluation
- object oriented
- relational data model
- query processing
- xml documents
- relational databases