SAP ABAP on HANA Developer

1. Explain the difference between traditional ABAP and ABAP on HANA. 2. What is Code Pushdown and why is it important in HANA? 3. Explain CDS Views and their advantages. 4. What are CDS Associations? 5. Explain CDS Annotations with practical examples. 6. What is an AMDP? 7. When would you choose AMDP over CDS or Open SQL? 8. Explain the difference between CDS View, Database View, and AMDP. 9. What is an OData service? 10. Explain the basic architecture of SAP Gateway. 11. Explain the difference between BAPI, RFC, IDoc, and OData. 12. How does ABAP integrate with MM during the Procure-to-Pay process? 13. How does ABAP integrate with SD and FI during Order-to-Cash? 14. A CDS View returns duplicate records after adding an association. How would you troubleshoot it? 15. An OData service works in DEV but fails in Production. What would you investigate? 16. An IDoc is generated but remains in an error status. How would you identify the root cause? 17. An ABAP report performs well in DEV but becomes slow in Production. How would you analyze the performance difference? 18. A custom ABAP program updates an MM document and unexpectedly creates FI postings. How would you trace the complete process? 19. A requirement impacts ABAP, MM, SD, and FI. How would you perform technical impact analysis? 20. How would you decide whether to use CDS, AMDP, Open SQL, BAPI, or OData for a new requirement? 21. How would you distinguish an ABAP defect from an SAP configuration issue? 22. What checks would you perform before transporting a high-impact ABAP change to Production?