What is the difference between a BDC and an LSMW in SAP ABAP programming?

What is the difference between a BDC and an LSMW in SAP ABAP programming?

When it comes to data migration and data processing in SAP ABAP programming, two commonly used methods are Batch Data Communication (BDC) and Legacy System Migration Workbench (LSMW). While both BDC and LSMW serve similar purposes of transferring data between systems, they have some key differences:

• BDC (Batch Data Communication):
  • BDC is a method used for transferring data from non-SAP systems to SAP systems.
  • BDC involves the creation of batch input sessions and uses transaction recordings to process data.
  • Requires programming skills to create and maintain data transfer programs.
  • Can be time-consuming to set up and maintain.
• LSMW (Legacy System Migration Workbench):
  • LSMW is a tool provided by SAP for migrating data from legacy systems to SAP systems.
  • Uses predefined templates and mapping to assist in data migration.
  • Does not require extensive programming knowledge, making it more user-friendly.
  • Provides various data processing options such as direct input, batch input, and IDoc.

In summary, while both BDC and LSMW are used for data migration in SAP ABAP programming, BDC requires more technical expertise and programming skills, whereas LSMW provides a user-friendly interface and predefined templates for data migration.