Question

aggregation vs ternary relationship

Answer 1

A ternary relationship is when three entities participate in the relationship. For Example: The University might need to record which teachers taught which subjects in which courses.

Aggregation represents relationship between a whole object and its component. Using aggregation we can express relationship among relationships. Aggregation shows 'has-a' or 'is-part-of' relationship between entities where one represents the 'whole' and other 'part'.

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Answer 2

Explanation:

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