Question: Define Generalization in ER construct. What are the 2 classifications of ER constructs? Give an example for each. Define Aggregation. What is the difference between

  1. Define Generalization in ER construct.
  2. What are the 2 classifications of ER constructs? Give an example for each.
  3. Define Aggregation. What is the difference between aggregation and Generalization?
  4. In few words define the Entity Clustering of ER Models.
  5. What are the 3 clustering techniques In order-?

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