A Localized Approach to Query Optimization in Heterogeneous Database Systems.
Pauray S. M. TsaiArbee L. P. ChenPublished in: J. Inf. Sci. Eng. (1993)
Keyphrases
- query optimization
- heterogeneous database systems
- multiple autonomous
- multidatabase systems
- database systems
- cost model
- query processing
- cardinality estimation
- cost estimation
- xml data
- query scheduling
- approximate query answering
- query execution
- data placement
- selectivity estimation
- continuous queries
- join queries
- query optimizer
- range queries
- sliding window
- response time
- data analysis
- data structure