A Fast Algorithm for Query Optimization in Universal-Relation Databases.
Francesco M. MalvestutoMarina MoscariniPublished in: J. Comput. Syst. Sci. (1998)
Keyphrases
- query optimization
- universal relation
- databases
- database systems
- relational database theory
- approximate query answering
- cost model
- inclusion dependencies
- query processing
- cardinality estimation
- multidatabase systems
- database
- cost estimation
- functional dependencies
- data management
- query execution
- relational databases
- data model
- relational database systems
- execution plan
- query optimizer
- database technology
- selectivity estimation
- continuous queries
- database design
- xml data
- database management systems
- relational algebra
- data dependencies
- query rewriting
- data types
- similarity search