Efficient and Acurate Cost Models for Parallel Query Optimization.
Sumit GangulyAkshay GoelAbraham SilberschatzPublished in: PODS (1996)
Keyphrases
- query optimization
- cost estimation
- query plan
- database systems
- query execution plans
- multidatabase systems
- efficient execution
- cost model
- parallel query processing
- query execution
- efficient query processing
- query processing
- xml data
- selectivity estimation
- cardinality estimation
- execution plan
- approximate query answering
- databases
- query scheduling
- recursive queries
- join queries
- building blocks
- integrity constraints
- load balancing