what is difference between mapping and mapplet ?

Answer Posted / sukanta

Mapping is developed for what data will move to target,what
the modifications done upon that.Mapping is the collection
of source,target,transformations and mapplets.

Mapplets is only collection of transformations.It is a
reusable object and you can use it in any mapping for that
particular folder.Mapplet is meant for a particular complex
work done lets say sale tax calculation.
In mapplet you can use source but can't use another mapplet.

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