What is the difference between LSMW, BAPI and BDC? What advantages do they have on one another?
BAPI is a SAP-supplied function module with a defined interface, which allows you to interact with various business objects. SAP guarantees the integrity of your database for anything updated using a BAPI. BDC is a method of driving screens programatically, for updating SAP data. LSMW is a tool which uses BAPI and BDC to load data into SAP -- it performs the Extract Transform and Load functions. BAPIs are generally faster than BDCs.
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