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2. Conceptual Modeling using the Entity-Relationship Model
Entity-Relationship model is used in the conceptual design of a database (+ conceptual level, conceptual schema) Design is independent of all physical considerations ... "'#123"") *+,-. ï /0 !"#$%&'"(&) Meaning: An employee can work in at most one department ( 1), and a department can have several employees.
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2. Conceptual Modeling using the Entity …
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