Keyphrases
- database schema
- object oriented
- integrity constraints
- high level specifications
- relational databases
- database
- schema evolution
- schema mappings
- entity relationship
- data integration
- data exchange
- functional dependencies
- sql queries
- databases
- database systems
- database language
- domain ontology
- general purpose
- normal form
- data sets
- programming language
- information retrieval
- structured query language
- domain knowledge