Optimizing large star-schema queries with snowflakes via heuristic-based query rewriting.
Yingying TaoQiang ZhuCalisto ZuzarteWing LauPublished in: CASCON (2003)
Keyphrases
- query rewriting
- star schema
- query execution
- join queries
- data warehouse
- query optimization
- conjunctive queries
- olap queries
- response time
- cost model
- complex queries
- query processing
- spatial databases
- query answering
- data integration
- xpath queries
- database systems
- query evaluation
- query result
- tree patterns
- xml views
- integrity constraints
- xml queries
- continuous queries
- range queries
- on line analytical processing
- query plan
- efficient processing
- decision support
- data sources
- query optimizer
- databases
- relational databases
- data warehousing