Explain the differences between primary, candidate, and superkey.
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Explain the differences between primary, candidate, and superkey.
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- Java/Data Structures: The Java Class Library implementation of the interface list return null when an index is out of range. True or FalseA pointer variable is just what it sounds like. What is its purpose? Exactly what does it mean to have a "dynamic array"? Pointers and dynamic arrays have what relationship?