Keyphrases
- entity relationship
- database
- database schema
- relational databases
- object oriented
- database design
- conceptual schema
- user interface
- data model
- extended entity relationship
- relational schema
- conceptual database design
- conceptual model
- relational model
- relational data model
- er model
- entity relationship diagrams
- database systems
- databases
- functional dependencies
- data modeling
- database applications
- conceptual modeling
- data sets
- integrity constraints
- end users
- query language
- case study