Since version 21.2 it is possible to connect to HANA databases on Business Technology Platform (BTP).
How to set up the connection to HANA databases on BTP? > HANA SQL Connection

Currently, there are some known issues or functionalities which cannot be used. We are working on supporting these functionalities in BTP environments too.

Here you can find the list:

Repository Entities are currenlty not supported (Calculation Views, Analytic Privileges, etc.)
Code Scan is currently not supported
Where Used Analysis is currently not supported
Compare Entities of Systems is currently not supported

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