A Fast Algorithm for Query Optimization in Universal Relation Databases.
Francesco M. MalvestutoMarina MoscariniPublished in: SEBD (1995)
Keyphrases
- query optimization
- universal relation
- databases
- database systems
- relational database theory
- approximate query answering
- inclusion dependencies
- cost model
- query processing
- multidatabase systems
- query execution
- cardinality estimation
- cost estimation
- database
- functional dependencies
- xml data
- query rewriting
- data model
- relational databases
- selectivity estimation
- integrity constraints
- relational algebra
- relational database systems
- data integration
- query optimizer
- query optimizers
- query execution plans
- metadata
- database management systems
- database applications
- database design
- data mining
- data types