Least Expected Cost Query Optimization: What Can We Expect?

Francis C. Chu Joseph Y. Halpern Johannes Gehrke

Published in: PODS (2002)

Keyphrases

query optimization
expected cost
long run
cost function
database systems
cost model
optimal strategy
query processing
multidatabase systems
cost estimation
xml data
query execution
query optimizer
continuous queries
cardinality estimation
query execution plans
databases
optimal policy
active learning
query scheduling