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barry barry
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10 years ago
The minimum cardinality from the Sales event to the Services entity is most likely 1 because
A) every sale includes performing a service.
B) a service is only recorded once a sale has occurred.
C) only 1 service is provided for each sale.
D) the minimum cardinality would not be 1; it would most likely be 0.
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newstartnewstart
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