Since SAP HANA is an in-memory database, therefore it itself poses as a separate learning module. However, if you're searching for a useful or technical SAP HANA module, it depends on your background and subject of your interest.
Here is a brief list of suggestions:
1- For a Commerce background person with expertise in finance or accounts, choose SAP HANA Finance coaching. The latest version of this module is SAP S/4HANA Finance 1809.
2- For an expertise in Management Accounting, you'll be able to select SAP Product costing.
3- If you're someone with previous expertise in Purchase, sales, production, you ought to for SAP S/4HANA logistics.
4-For a programmer, or having the qualification of B.tech, SAP ABAP on HANA is that the best option.
5- If you've got an interest within the hr field or have expertise in hr, you'll be able to choose SAP SuccessFactors.
6- Having expertise in Administration, choose SAP HANA Administration.