The Size of Projections of Relations Satisfying a Functional Dependency.
Erol GelenbeDanièle GardyPublished in: VLDB (1982)
Keyphrases
- functional dependencies
- relational databases
- normal form
- integrity constraints
- universal relation
- data dependencies
- approximate functional dependencies
- relational model
- database design
- data transformation
- conflict free
- database schemes
- set of functional dependencies
- inclusion dependencies
- multivalued dependencies
- fuzzy relations
- relational operators
- user defined
- xml documents
- horn theories
- databases
- null values