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ER Diagram to Relational Schema
ER Diagram to Relational Schema - This ERD was first developed by Peter Chen in 1976. And perfected by Charles Bachman and James Martin on the basic principles of ERD. The ERD diagram is a tool for how to visualize the results of interconnected information. Entity diagrams can be places, objects, classes, and people. In the E-R Diagram, entity starts on the rectangle. For example Create an organizational chart. Managers, Employees, Departments, Products and others are considered as an entity of an Organization.
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