Correlation-aware partitioning for skewed range query optimization.
Wei GeXianxian LiChunfeng YuanYihua HuangPublished in: World Wide Web (2019)
Keyphrases
- query optimization
- database systems
- efficient execution
- cost model
- query processing
- cardinality estimation
- multidatabase systems
- cost estimation
- xml data
- query execution
- query scheduling
- data placement
- recursive queries
- semantic query optimization
- query plan
- query optimizers
- data partitioning
- efficient query processing
- query execution plans
- execution plan
- continuous queries
- distributed database systems
- approximate query answering
- query execution plan
- xml documents