entity–relationship model

associative entity – Term in relational and entity–relationship theory

concept map – Diagram showing relationships among concepts

database design – Designing how data is held in a database

Data structure diagram – visual representation of a certain kind of data model that contains entities, their relationships, and the constraints that are placed on them

Enhanced entity–relationship model – Data model

Enterprise architecture framework – Frame in which the architecture of a company is defined

Entity Data Model – Open source object-relational mapping framework

Value range structure diagrams

Comparison of data modeling tools – Comparison of notable data modeling tools

Knowledge graph – Type of knowledge base

Ontology – Specification of a conceptualization

Object-role modeling – Programming technique

Three schema approach – Approach to building information systems

Structured entity relationship model

Schema-agnostic databases – type of databank

https://en.wikipedia.org/wiki/Entity–relationship_model