Query Optimization in a Heterogeneous DBMS.
Weimin DuRavi KrishnamurthyMing-Chien ShanPublished in: VLDB (1992)
Keyphrases
- query optimization
- database systems
- query processing
- query optimizer
- database management systems
- cost model
- storage structures
- data model
- query execution plan
- query optimizers
- xml data
- cost estimation
- data types
- data management
- multidatabase systems
- data placement
- database
- query scheduling
- efficient query processing
- databases
- query execution
- recursive queries
- cardinality estimation
- approximate query answering
- continuous queries
- selectivity estimation
- query processor
- complex queries
- database operations
- database applications
- transaction management
- execution plan
- main memory
- query evaluation
- index structure
- management system