Architects Research Society
Dec 17, 2019 · Databases
Entity‑Relationship (ER) Model: Concepts, Types, and Modeling Issues
The article provides a comprehensive overview of the Entity‑Relationship (ER) model, covering its definition, conceptual, logical, and physical data models, notation variants, cardinality constraints, common pitfalls, semantic extensions, and limitations in relational database design.
ER Modelconceptual designdata modeling
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