Bypassing Joins in Disjunctive Queries.
Michael SteinbrunnKlaus PeithnerGuido MoerkotteAlfons KemperPublished in: VLDB (1995)
Keyphrases
- query evaluation
- join queries
- query processing
- query language
- query optimization
- efficient processing
- set valued attributes
- aggregate functions
- data sources
- range queries
- response time
- queries involving
- conjunctive queries
- sql queries
- database
- join operations
- spatial join
- query plan
- database queries
- join algorithms
- query logs
- xml data
- query formulation
- xpath queries
- complex queries
- aggregate queries
- map reduce
- retrieval systems
- database systems
- databases