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Two business rules

Decision table

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It is tempting to skip the column for Male, but it is advised to model a comprehensible table. In most cases, comprehensibility implies completeness (the mere fact that Male is missing from a gender-table might cause suspicion).

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

If Applicant.Gender was in fact limited by a value list consisting of the values Male and Female and it is obvious the set will never expend, the ELSE-column would have been redundant.

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