Rewriting aggregate queries using functional dependencies.
Dominique LaurentNicolas SpyratosPublished in: MEDES (2011)
Keyphrases
- functional dependencies
- aggregate queries
- queries using views
- integrity constraints
- relational databases
- conjunctive queries
- database design
- data cube
- normal form
- efficient computation
- query processing
- relational model
- data dependencies
- database schemes
- aggregate functions
- aggregation functions
- conflict free
- xml documents
- query rewriting
- probabilistic databases
- query answering
- user defined
- data complexity
- data analysis
- data model
- databases
- relational data model
- datalog programs
- relational algebra
- database
- query optimization