One of the early forms of ER diagrams, Bachman diagrams are named after him.Įntity – Relationship Data Model. His model was inspired by the data structure diagrams introduced by Charles Bachman. The focus was on entities and relationships and he introduced a diagramming representation for database design as well. Is credited with introducing the widely adopted ER model in his paper ““. ![]() Although many solutions were proposed and discussed none were widely adopted. ![]()
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