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Question

A list consists of last names, first names, address and pin codes if all people in the list have the same last and the same pin code, a useful key would be

a.

The pin code

b.

The last name

c.

A compound key consisting of the first name and the last name

d.

All of the above

Posted under DBMS

Answer: (c).A compound key consisting of the first name and the last name

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Q. A list consists of last names, first names, address and pin codes if all people in the list have the same last and the same pin code, a useful key would be

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