Pessimistic Cardinality Estimation: Tighter Upper Bounds for Intermediate Join Cardinalities.
Walter CaiMagdalena BalazinskaDan SuciuPublished in: SIGMOD Conference (2019)
Keyphrases
- continuous queries
- cardinality estimation
- upper bound
- query optimization
- lower bound
- query execution
- query processing
- cost model
- database systems
- query plan
- query optimizers
- join queries
- cost estimation
- query optimizer
- upper and lower bounds
- lower and upper bounds
- spatial join
- selectivity estimation
- xml data
- execution plan
- knn
- data management
- multi dimensional
- join algorithms
- complex queries