Least expected cost query optimization: an exercise in utility
Francis C. ChuJoseph Y. HalpernPraveen SeshadriPublished in: CoRR (1999)
Keyphrases
- query optimization
- expected cost
- long run
- database systems
- cost function
- cost model
- query processing
- multidatabase systems
- cardinality estimation
- cost estimation
- optimal strategy
- query scheduling
- utility function
- query optimizer
- query execution
- query execution plans
- continuous queries
- xml data
- feature selection
- query plan
- sufficient conditions
- execution plan
- high dimensional
- query optimizers
- reinforcement learning
- learning algorithm