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The Entity Relationship Model Below Shows the Relationship Between Customer

Question 78

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The entity relationship model below shows the relationship between Customer and Order. Which of the following business rules is correct? The entity relationship model below shows the relationship between Customer and Order. Which of the following business rules is correct?   A)  An order may be placed by many customers. B)  A customer may place many orders. C)  A customer may never place an order. D)  An order need not be placed by a customer.


A) An order may be placed by many customers.
B) A customer may place many orders.
C) A customer may never place an order.
D) An order need not be placed by a customer.

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