Logical query optimization for Cloudera Impala system.
Jiaoyang MaLing ChenMingqi LvYi YangYuliang ZhaoYong WuJingchang WangPublished in: J. Syst. Softw. (2017)
Keyphrases
- query optimization
- database systems
- cost model
- query processing
- multidatabase systems
- query execution
- query scheduling
- cost estimation
- cardinality estimation
- xml data
- semantic query optimization
- data placement
- query execution plans
- query optimizer
- query plan
- efficient execution
- data structure
- approximate query answering
- efficient query processing
- web services
- database