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- Using a constant value and a business rule
- Using two business rules
- Using a decision table
Constant value combined with business rule
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Two business rules
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Decision table
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It is tempting to skip the column for male, but it is strongly advised to model a complete table. |
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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 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 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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