Estimating aggregates in time-constrained approximate queries in Oracle.
Ying HuSeema SundaraJagannathan SrinivasanPublished in: EDBT (2009)
Keyphrases
- approximate answers
- query language
- database
- query processing
- long running
- aggregate functions
- efficient processing
- aggregate queries
- aggregation queries
- database queries
- exact answers
- pre computed
- query evaluation
- web search engines
- relational database systems
- oracle database
- exact and approximate
- response time
- data sources
- approximate matches
- search queries
- complex queries
- statistical databases
- query logs
- range queries
- query terms