Imagine you are tasked with modeling an online video streaming Website.
Some objects that are needed include “video”, “customer”, and “account”.
Select the cardinality between these objects and provide a rationale
for your selection.
Cardinality between objects:
1)account:video--1 to many since many videos can be played from single account
2)account:customer--many to many since a customer can have many accounts and an account type can be held by many customers
3)customer:video--many to many since a customer can watch many videos and a video can be watched by many customers
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