Earlier SAP HANA was known by name 'SAP High-Performance Analytic Appliance'. SAP HANA evolved by the fusion of earlier existed BW accelerator and Max DB.
In column based storage the data entered is stored in a series of columns and each column-inputted is stored in contiguous in-memory locations. The data is stored in primary memory rather in a disk to access the data real-time and thus make data query processing faster.
High data compression is achieved in column based storage and so a great amount of data can be included in primary memory and make the system more efficient.
Column based storage is optimized best for faster data reading This helps to process query real time and generate analytics in real time and faster.
The massive parallel processing design i.e parallelisation among servers and cores makes the query processing way too faster than the standard design.
It is used for analytical and transactional processes. there are application that are good at analytical processes and there are applications that are good at transactional processes. SAP HANA is good in handling both at the same time.
The speeder delivery of analytics makes SAP HANA the best tool for real-time decision making. It is good in giving predictive analysis and real-time insights from live data. For spatial data processing and graph data processing, SAP HANA serves best. It also gives streaming analytics. Now machine learning capabilities are also incorporated to HANA application which makes it more useful than before.
SAP HANA, to a great extent to simplifies system administration. Like any other DBMS, SAP HANA offers good security. It protects all the data storage, communications, application services using very secure access control and tough-to-crack identification systems.
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