BDC - Batch data communication
BDC
* Used to transfer data from Legacy system to SAP system.
* Principle - BDC works on the principle of screen recording.
* T-code - SHDB.
* Precautions for recording
- never use F4 & F1 help.
- Do not pass wrong value.
* There are 3 methods.
- Call transaction method.
- Session method.
- Direct input method.
--> Call transaction method and session method are also called as batch input method.
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