When company decides to move to SAP from any other ERP, they
have to transfer the existing data from old system to new SAP system. Without
data no use of the new system. So here come BDC in picture to help the old data
to migrate in new SAP system.
Now this data transfer can be done in 2 ways normally
1. all the data of old system will go at one go
2. Transfer data periodically from one system to another
system
As technology help us in every aspect of life, why this data
transfer will be done manually. The answer is BDC programming. Practically it
is too tough to transfer data manually as the number of records is huge. And
also chances of manual errors and tracking them are next to impossible.
So BDC is a very helpful tool which helps companies to transfer
their old system data to newly implemented SAP system without any hassle.