Join Query Optimization with Deep Reinforcement Learning Algorithms.
Jonas HeitzKurt StockingerPublished in: CoRR (2019)
Keyphrases
- query optimization
- reinforcement learning algorithms
- reinforcement learning
- state space
- database systems
- model free
- markov decision processes
- cost model
- query processing
- multidatabase systems
- learning algorithm
- temporal difference
- reinforcement learning problems
- xml data
- query execution
- function approximation
- join operators
- cost estimation
- cardinality estimation
- join queries
- query optimizers
- query execution plans
- query plan
- reward function
- dynamic environments
- join algorithms
- hash join
- machine learning
- query optimizer
- data model
- selectivity estimation
- sufficient conditions
- database