Why is it important to classify each of these types in


There are many kinds of relationships in a design model of a database. The most common are one-to-one (1:1) and one-to-many (1:N) and many-to-many (N:M). Some of the entity types can be ID-Dependent, Strong, Weak, or Subtype Entities.

1. Why is it important to classify each of these types in an ERD Model? 
2. What rules would have to be enforced based on the entity type? Pick one entity type and discuss what enforcement is needed by the database or application.

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Data Structure & Algorithms: Why is it important to classify each of these types in
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