Question: Which of the following is a valid concern about using social security numbers as a primary key? They are numbers, not text. It is a

Which of the following is a valid concern about using social security numbers as a primary key?
They are numbers, not text.
It is a security risk.
It would be a multivalued attribute for most people.
Most people will not remember their social security number.
 Which of the following is a valid concern about using social

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