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Data Models into Database Designs

Q1:

Which of the following situation requires the use of ID-dependent entities?

A Association relationships only

B Multivalued attributes only

C Archetype/instance relationships only

D All of the above use ID dependent entities

ANS:D - All of the above use ID dependent entities

ID dependent entity is, example
customer_id in customer table and person_id in orders table but these two entities are dependent to the ID and its values.



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