what is diff between idocs,bdc,rfc and bapi. give real time
answer

Answer Posted / deepak

BAPI and BADI are completely different. BAPI is similar to
RFC. In simple terms BAPI is just a function module but
remote enabled.
Difference between BAPI and RFC is that BAPI can be used
from non direct systems. Eg: from java to sap. While RFC
will support only direct systems. For Eg: Within SAP.

BADI is Business Add Ins which has a slight similarity to
user exits but different from it. When an additional
feature is added, it can be done through BADI. BADIs are
generally defined by SAP and implemented by the developers.

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