Keyphrases
- functional dependencies
- rough relational database
- relational databases
- integrity constraints
- database design
- normal form
- relational model
- conflict free
- xml documents
- universal relation
- data dependencies
- database schemes
- horn theories
- inclusion dependencies
- relational schema
- entity relationship
- logical implication
- relational operators
- relational algebra
- database schema
- relational database theory
- cardinality constraints
- approximate functional dependencies
- databases
- object oriented
- relational data
- logic programs