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Author Question: The minimum cardinality from the Sales event to the Services entity is most likely 1 because (Read 59 times)

Tirant22

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Question 1

For a service business, the minimum cardinalities between Sales event and Inventory entity are most likely both 0 for all except which of the following reasons?
◦ Service businesses don't sell inventory, they only use inventory to perform services.
◦ A sale doesn't have to include any inventory.
◦ Inventory can exist that hasn't been part of a sale yet.
◦ Some services only require labor.

Question 2

The minimum cardinality from the Sales event to the Services entity is most likely 1 because
◦ every sale includes performing a service.
◦ a service is only recorded once a sale has occurred.
◦ only 1 service is provided for each sale.
◦ the minimum cardinality is always set to be 1.


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Marked as best answer by Tirant22 on Apr 8, 2019

Zack0mack0101@yahoo.com

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