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What is the difference between SAP HANA and other earlier version of SAP?
Answer 1
works at HCL Technologies (2020-present)
Hello,
The key distinctions between HANA (and previous generation SAP systems are that) it is a column-oriented, in-memory database, that combines OLAP and OLTP operations into a single system; thus in general SAP HANA is an OLTAP system. Storing data in main memory rather than on disk provides faster data access and, by extension, faster querying and processing. While storing data in-memory confers performance advantages, it is a more costly form of data storage. Observing data access patterns, up to 85% of data in an enterprise system may be infrequently accessed therefore it can be cost-effective to store frequently accessed, or “hot”, data in-memory while the less frequently accessed “warm” data is stored on disk, an approach SAP have termed “Dynamic tiering”.
Coming to SAP, is an ERP system which was built based on the former SAP R/3 Architecture. SAP R/3, which was officially launched on 6 July 1992, consisted of various applications on top of SAP Basis, SAP’s set of middleware programs and tools.
While other earlier version(s) of SAP all are based out of ERP scenario represents in different layers namely Presentation layer, Application layer and the DB layers of Architecture.
Answer 2
Naga Chaitanya Chowdary
former Senior SAP Consultant at Accenture
Hi all,
This is a good question let me try to give an explanation.
SAP HANA :
HANA is SAP’s own database .
Now SAP is rapidly developing from many upcoming technologies like first and foremost its UI called Fiori and for cloud apps, IOT, Predictive Analytics, SDA,
so many new features were implemented in recent of HANA releases .
Faster Performance.
Data directly requests from Application Presentation layer.
In SAP HANA, CPU will fetch data directly from RAM.
SAP HANA supports Column-oriented tables.
