Answer Posted / angirasa

lsmw is the tools which can be provided by SAP . By using
this tool the programing procedure can be optimized.

BAPI and BDC are the two techniques which was used to upload
the data , These BAPI's are used for uploading bulk data

when we are uploading the data , when the case arises for
updating the data.Where in bapi's no need to update the
technical info like screen numbers etc., where in bdc we
have to upload these data also .

Mostly we will go to bdc's instead of bapi's is when the
function modules are not occured on that cases we have to
choose bdc's

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