Keyphrases
- entity relationship
- object oriented
- database design
- conceptual model
- conceptual database design
- extended entity relationship
- er model
- relational databases
- database schema
- conceptual modelling
- relational schema
- data model
- functional dependencies
- relational model
- conceptual schema
- cardinality constraints
- entity relationship diagrams
- data modeling
- information systems
- normal form
- database applications
- database management systems
- programming language
- high level
- knowledge base