Measuring the Complexity of Join Enumeration in Query Optimization.
Kiyoshi OnoGuy M. LohmanPublished in: VLDB (1990)
Keyphrases
- query optimization
- database systems
- query processing
- cost model
- multidatabase systems
- cost estimation
- xml data
- query optimizers
- cardinality estimation
- join queries
- query optimizer
- data placement
- efficient query processing
- query scheduling
- query plan
- query execution plan
- approximate query answering
- selectivity estimation
- recursive queries
- databases
- continuous queries
- query execution
- hash join
- relational databases
- data structure
- query execution plans