Query optimization over a heterogeneously distributed scientific database.
Helen X. XiangPublished in: IEEE BigData (2013)
Keyphrases
- query optimization
- database systems
- database
- cost model
- query processing
- distributed query processing
- multidatabase systems
- distributed database systems
- cardinality estimation
- query execution plan
- database management systems
- databases
- cost estimation
- query execution
- query scheduling
- complex queries
- query plan
- database applications
- distributed systems
- xml data
- selectivity estimation
- approximate query answering
- query optimizer
- data management
- distributed environment
- query execution plans
- parallel query processing
- data model
- query optimizers
- data placement
- execution plan
- recursive queries
- efficient query processing
- transaction management
- management system
- concurrency control
- join queries
- relational database management systems
- metadata
- transaction processing