SAP HANA is different from other traditional databases in terms of architecture, how data is stored and accessed. It's also different in terms of data processing, and technology itself. It addresses many bottlenecks caused by other databases, such as input/output data transfers from disks to servers, disk-centric approach, and slow batch processes. The main database storage is now RAM instead of disks. Additionally, the SAP HANA database is an in-memory database, supports parallel execution, new approach cache management, and real-time analytics