Decomposition and Functional Dependencies in Relations.
William Ward ArmstrongClaude DelobelPublished in: ACM Trans. Database Syst. (1980)
Keyphrases
- functional dependencies
- join dependencies
- data dependencies
- relational databases
- relational data model
- universal relation
- multivalued dependencies
- normal form
- database design
- integrity constraints
- inclusion dependencies
- cardinality constraints
- set of functional dependencies
- relational model
- boyce codd normal form
- database schemes
- conflict free
- approximate functional dependencies
- null values
- entity relationship
- functional and multivalued dependencies
- database schema
- user defined
- xml documents
- relational database theory
- logical implication
- relational schema
- dynamic constraints
- database
- database applications
- logic programs
- databases