Keyphrases
- entity relationship
- data model
- conceptual schema
- er model
- conceptual model
- relational schema
- relational data model
- object oriented
- database design
- relational model
- extended entity relationship
- semantic data models
- relational databases
- conceptual database design
- databases
- data modeling
- query language
- database systems
- operational semantics
- conceptual modeling
- entity relationship diagrams
- database
- database schema
- formal semantics
- data integration
- database management systems
- functional dependencies
- data sources
- database management
- data types
- xml documents
- information systems