Aspects


vs


Entity-relationship

An entity-relationship model (ERM) is an abstract and conceptual representation of data, information aspects of a business domain or its process requirements

Erd

Entity Relationship Diagram (ERD) or Entity Relationship Model is a visual representation of the organization of data within databases or information systems

Others

Quality Example
Modeling more

"First entity-relationship modeling is more than just an erd"

from question "Why is a specific cardinality not allowed in the ERD?"

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