Explain why primary keys may never be null but alternate, Basic Computer Science

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Explain why primary keys may never be null but alternate

a. Explain why primary keys may never be null, but alternate keys can be null.

b. List five generic data types.

c. Describe three ways that a default value can be assigned.

d. What is a domain constraint? Give an example.

e. What is a range constraint? Give an example.

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Basic Computer Science: Explain why primary keys may never be null but alternate

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Basic Computer Science: Explain why primary keys may never be null but alternate

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