Optimization of Nested Queries using the NF2 Algebra.
Jürgen HölschMichael GrossniklausMarc H. SchollPublished in: SIGMOD Conference (2016)
Keyphrases
- query language
- data model
- relational algebra
- query processing
- database
- response time
- optimization problems
- query evaluation
- optimization algorithm
- web search engines
- hierarchical structure
- optimization strategies
- relational data model
- database queries
- optimization method
- database query languages
- normal form
- query logs
- range queries
- relational database systems
- algebraic expressions
- retrieval systems
- data sources
- relational databases
- global optimization
- user defined
- efficient processing
- constraint databases
- execution plan
- search engine