Keyphrases
- inclusion dependencies
- integrity constraints
- functional dependencies
- relational databases
- data dependencies
- data exchange
- databases
- tuple generating dependencies
- target schema
- relational model
- inference rules
- containment of conjunctive queries
- set of functional dependencies
- multi valued
- database design
- database theory
- query answering
- universal relation
- xml documents
- conjunctive queries
- schema mappings
- query processing