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Info

It is tempting to skip the column for male, but it is strongly advised to model a complete table.

Info

It is perhaps even more tempting to skip the [ ]-column for ELSE, but it is also strongly advised to model an ELSE-column whenever the values are not restricted by a value rule.

If Applicant.Gender was in fact limited by a value rule consisting of the values Male and Female, the ELSE-column was would have been otiose.

What to use?

The choice of method is often based on the preference of the business engineer. General recommendations are listed below:

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