SQL query optimization through nested relational algebra.
Bin CaoAntonio BadiaPublished in: ACM Trans. Database Syst. (2007)
Keyphrases
- query optimization
- relational algebra
- nested relational
- relational model
- query language
- recursive queries
- aggregate functions
- database systems
- data model
- relational database systems
- xml data
- duplicate elimination
- query processing
- relational calculus
- expressive power
- normal form
- cost model
- database technology
- relational databases
- query optimizer
- relational data model
- query optimizers
- complex objects
- database query languages
- query execution
- sparql queries
- transitive closure
- first order logic
- incomplete information
- continuous queries
- object oriented databases
- execution plan
- sql queries
- object oriented
- databases
- join queries
- xml databases
- relational database management systems
- query evaluation
- functional dependencies
- knowledge representation
- aggregate queries
- xml documents
- join operator