what is the difference between bdc and lsmw?

Answer Posted / mahender

LSMW is a third party tool, now owned by SAP basically used
to upload master data. Usually, comes into picture while
doing cut-over activities. Its a 14 step predefined process.

BDC is kind of a program used to upload data into sap
database from a flat file on application layer or
presentation layer.

LSMW is applicable only for std transactions where as BDC
can be applied to custom transactions as well.

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