On query optimization in a temporal SPC algebra.
Jef WijsenAlexis BèsPublished in: Data Knowl. Eng. (2003)
Keyphrases
- query optimization
- database systems
- multidatabase systems
- query processing
- cost model
- cardinality estimation
- cost estimation
- query execution
- xml data
- query execution plans
- semantic query optimization
- efficient execution
- selectivity estimation
- query language
- data model
- continuous queries
- data placement
- query scheduling
- query optimizer
- execution plan
- approximate query answering
- query execution plan
- join operators
- relational algebra
- join queries
- distributed databases
- query optimizers
- relational databases
- databases