POP/FED: Progressive Query Optimization for Federated Queries in DB2.
Holger KacheWook-Shin HanVolker MarklVijayshankar RamanStephan EwenPublished in: VLDB (2006)
Keyphrases
- query optimization
- query execution plan
- query processing
- queries involving
- semantic query optimization
- cost model
- database systems
- efficient query processing
- query plan
- query execution plans
- selectivity estimation
- approximate query answering
- join queries
- efficient execution
- query optimizers
- execution plan
- query execution
- multidatabase systems
- query scheduling
- query processing and optimization
- cardinality estimation
- xml data
- complex queries
- cost estimation
- recursive queries
- query optimizer
- query language
- query rewriting
- relational database systems
- response time
- database
- query containment
- data management
- efficient processing
- continuous queries
- duplicate elimination
- query evaluation
- user queries
- multi dimensional
- database queries
- range queries
- data model