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Author Question: Every person in the world can have more than one friend, and each person in the world can be a ... (Read 78 times)

natalie2426

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Question 1

Every person in the world has a birthdate, but no person has more than one birthdate. Thus, the cardinality that exists between birthdate and people is
◦ one-to-one.
◦ one-to-many.
◦ many-to-many.
◦ many-to-none.

Question 2

Every person in the world can have more than one friend, and each person in the world can be a friend to more than one person. Thus, the cardinality that exists between friends and people is
◦ one-to-one.
◦ one-to-many.
◦ many-to-many.
◦ many-to-none.


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Marked as best answer by natalie2426 on Apr 8, 2019

jointhecircus

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natalie2426

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Reply 2 on: Apr 8, 2019
Excellent


ttt030911

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Reply 3 on: Yesterday
Gracias!

 

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