Rule Builder > Managing Decision Tables > Checking Capabilities > Symmetry Checking |
Symmetry Checking |
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Symmetry checking allows you to check that all partitions use the same set of items. You can check symmetry for the whole table or for specified columns. Such checking is useful to enforce that all choices are covered for all branches of the decision table. A lack of symmetry is reported on the column header. By default, symmetry checking is off, allowing you to create nonsymmetrical tables.
Note that the decision tables in Figure 12.68 and Figure 12.69 are not symmetrical. Figure 12.5 illustrates a symmetrical decision table.
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