I am new to ABAP. I am learning now.I have some questions.
1. What is the typical structure of an ABAP program?
2. What are field symbols and field groups? Have you used "component idx of structure" clause with field groups?
3. What should be the approach for writing a BDC program?
4. What is a batch input session?
5. What is the alternative to batch input session?
6. What are the techniques involved in using SAP supplied programs? Do you prefer to write your own programs to load master data? Why?