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Show sql for determining the number of null values in the

a. What is a null value?

b. How does a null value differ from a blank value?

c. What are three interpretations of null values? Use an example in your answer

d. Show SQL for determining the number of null values in the column Employee First Name of the table EMPLOYEE.

e. Describe the general-purpose remarks column problem.

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Basic Computer Science: Show sql for determining the number of null values in the

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