What are the available methods through which you can fill staging tables in the SAP HANA database of the target system? Note: There are 3 correct answers to this question.

What are the available methods through which you can fill staging tables in the SAP HANA database of the target system? Note: There are 3 correct answers to this question.
A . SAP Smart Data Access
B. SAP SQL Anywhere
C. Customer’s ETL tools
D. XML templates
E. SAP HANA Smart Data Integration (SDI)

Answer: A,C,E