MAP-ITERATOR:
The Mapiterator loops
through the complete Map.
MAP-Enumerator:-
Map Enumerator class is
like map iterator Class ,But allows the deletion of elements during enumeration
and mapiterator does not.
1. X++ Maps: it can be used as a
temp data store for the given scope of a process. This takes us less over head,
and is much quicker than a TempTable. For Further
reading
2. AOT Maps: A map can unify the access to similar columns and
methods that are present in multiple tables. You associate a map field with a
field in one or more tables. This enables you to use the same field name to
access fields with different names in different tables. Methods on maps enable
you to create or modify methods that act on the table fields that the map
references
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