Keyphrases
- functional dependencies
- functional and multivalued dependencies
- relational databases
- integrity constraints
- normal form
- database design
- relational model
- data dependencies
- conflict free
- user defined
- database schemes
- inclusion dependencies
- universal relation
- approximate functional dependencies
- database schema
- logical implication
- entity relationship
- relational schema
- case study
- set of functional dependencies
- horn theories
- null values
- query answering
- xml documents
- database systems