What are the available methods through which you can fill staging tables in the SAP...

 The available methods through which you can fill staging tables in the SAP HANA database of the target system are:

SAP HANA Smart Data Integration (SDI). This is a method that allows you to replicate data from various sources, such as SAP or non-SAP systems, into SAP HANA tables using adapters and pipelines.

XML templates. This is a method that allows you to fill staging tables with data from XML files that are generated from legacy systems or other sources.

Customer’s ETL tools. This is a method that allows you to use your own extract, transform, and load (ETL) tools to fill staging tables with data from various sources. Reference: [SAP Help Portal - Data Migration Methods]