Keyphrases
- entity relationship
- data model
- relational data model
- database design
- relational model
- object oriented
- relational algebra
- er model
- conceptual model
- query language
- extended entity relationship
- relational databases
- conceptual database design
- conceptual modelling
- data modeling
- database schema
- functional dependencies
- conceptual schema
- database systems
- database
- relational schema
- conceptual modeling
- databases
- conceptual models
- management system
- data sources
- cardinality constraints
- data integration
- software engineering
- general purpose
- distributed systems
- database management systems
- data sets
- data types