Query Rewriting in the Presence of Functional Dependencies with Lossless Join Decomposition.
Qingyuan BaiJun HongMichael F. McTearPublished in: iiWAS (2003)
Keyphrases
- functional dependencies
- query rewriting
- join dependencies
- query optimization
- integrity constraints
- query answering
- relational databases
- conjunctive queries
- query execution
- database design
- query result
- normal form
- relational model
- boyce codd normal form
- database systems
- sql queries
- data dependencies
- xml documents
- database schema
- xml data
- cost model
- query processing
- join algorithms
- xml queries
- set of functional dependencies
- relational schema
- data model
- spatial databases
- data integration
- xpath queries
- response time
- query evaluation
- xml databases
- query containment
- xml views
- multivalued dependencies
- databases
- complex queries
- deep web
- relational algebra
- database technology
- data warehouse
- user defined
- case study