Hi Taw-Fey,
Fact that this is B1H use case is interesting to know.
I am inclined to think that what you call multiple databases is actually schema.
The fact that what B1 terms as database (from application perspective), would not mean that it is a database as per HANA implementation.
If you can paste here the screenshots from HDB studio admin console, it'll be clear.
Given that you are then looking at schemas, you can then satisfy your requirement by additional means - schema export/import.
In summary, your options:
1. HANA backup --> restore on target --> delete the schema not needed (or let it be, if it's not a huge resource hogger)
2. Use snapshot on source database itself, as I explained before. In this case, note that entire database (all schemas) will get reverted.
3. Schema export --> schema import on target.
BR