Efficient Processing of Outer Joins and Aggregate Functions.
Gautam BhargavaPiyush GoelBalakrishna R. IyerPublished in: ICDE (1996)
Keyphrases
- aggregate functions
- efficient processing
- aggregate queries
- query processing
- expressive power
- query language
- range queries
- join algorithms
- relational algebra
- recursive queries
- probabilistic xml
- efficient implementation
- transitive closure
- relational model
- data cube
- database theory
- query evaluation
- cost model
- relational calculus
- complex objects
- database
- multi dimensional
- data model
- relational database systems
- keyword queries
- r tree
- first order logic
- query optimization
- index structure
- management system
- data structure