Entity-relationship model
Modelo entidad-relación
- Date
- 1976 · confidence high
- Place
- Cambridge, Massachusetts, United States
- Credited to
- Peter Chen
- Field
- Knowledge & symbols
What it is
Chen proposed representing the real world as a set of entities and the relationships between them, a more intuitive approach to database design than the record-based hierarchical or network models used until then. The entity-relationship diagram became the standard tool for designing relational databases.
What it led to
- Standard relational database design
- CASE data-modelling tools
Built on
- Codd's relational model (1970)