Data Transformation Engine Design Studio Tutorial

Chapter 12 - Mapping Optional Inputs Summary
Design Studio Tutorial
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For the F_MapState functional map, drag StateID and Population Statistic
from the input card to create the map rules for StateID Input and
Population Statistic Input data objects.
The output.txt output file shows that a StatePop was not created for the states
having no Population Statistic. For example, IL had no Population Statistic,
and no IL data was created in the output.
Summary
You learned how to indicate optional input by using component ranges. The
default component range (1:1) is assumed and does not display. Only component
ranges with values other than (1:1) display in group windows and on map cards.
The delimiter identified missing data.