Functional Dependencies in Horn Clause Queries.
Alberto O. MendelzonPeter T. WoodPublished in: ACM Trans. Database Syst. (1991)
Keyphrases
- functional dependencies
- horn clauses
- approximate functional dependencies
- database queries
- answering queries using views
- relational databases
- database design
- normal form
- integrity constraints
- set of functional dependencies
- user defined
- relational model
- null values
- inclusion dependencies
- database schemes
- conflict free
- query processing
- data dependencies
- efficient processing
- logic programs
- query language
- database
- inference rules
- relational database systems
- query evaluation
- databases
- data sources
- cardinality constraints
- probabilistic model
- aggregate queries
- object oriented
- first order logic