Keyphrases
- functional dependencies
- relational databases
- integrity constraints
- database design
- normal form
- relational model
- database schemes
- conflict free
- semantic data models
- inclusion dependencies
- universal relation
- database schema
- approximate functional dependencies
- logical implication
- horn theories
- data dependencies
- cardinality constraints
- user defined
- xml documents
- database systems
- relational algebra
- relational database theory
- answering queries using views
- entity relationship
- database management systems