Answer Posted / swetha
Reusable transformations can be used in multiple mappings.
When you need to incorporate this transformation into
maping, U add an instance of it to maping. Later if yoU
change the definition of the transformation ,all instances
of it inherit the changes. Since the instance of reusable
transforamation is a pointer to that transforamtion, U can
change the transforamation in the transformation developer,
its instances automatically reflect these changes. This
feature can save yoU great deal of work.
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