Keyphrases
- entity relationship
- relational data model
- object oriented
- cardinality constraints
- database design
- data model
- extended entity relationship
- er model
- conceptual model
- database schema
- relational databases
- conceptual database design
- relational schema
- functional dependencies
- conceptual schema
- conceptual modelling
- conceptual modeling
- data modeling
- relational model
- database
- general purpose
- schema mappings
- relational database systems
- database applications
- software development
- high level