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In developing a Video Rental System for a video store, the owner of the store suggests using the mobile phone number as the system identifier
In developing a Video Rental System for a video store, the owner of the store suggests using the mobile phone number as the system identifier (primary key) for a customer.
Another attribute (column) the owner suggested storing for a customer is the age of the customer. Explain if you agree or disagree with the suggestions made by the owner.
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