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What is the difference between entity relationship diagram and extended entity relationship diagram?
Hi,
Sorry, I'm not good in English, but I'll try to explain.
actually extended ERD is the ERD it self but with more relations. In other words some relationships in ERD was not seen, so these relationship are explained in EERD such as "Is_a" (Specialization,Generalization), "Is a Part of" and Aggregation
What else can I help you with?
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