Lazy Structure Sharing for Query Optimization.
Adam L. BuchsbaumRajamani SundarRobert Endre TarjanPublished in: Acta Informatica (1995)
Keyphrases
- query optimization
- database systems
- cost model
- query processing
- multidatabase systems
- cost estimation
- query execution
- query scheduling
- semantic query optimization
- xml data
- cardinality estimation
- databases
- query optimizers
- query optimizer
- join queries
- data placement
- tree structure
- selectivity estimation
- efficient query processing
- execution plan
- efficient execution
- directed acyclic graph
- data management
- data warehouse