Well, the answer is not so obvious, because
SAP[
^] is German corpration with regional offices in 130 countries. So, we can confidently say that the software of this company is well known at entire globe.
The main product of SAP company is
SAP Hana[
^].
Wikipedia wrote:
Its primary function as database server is to store and retrieve data as requested by the applications. In addition, it performs advanced analytics (predictive analytics, spatial data processing, text analytics, text search, streaming analytics, graph data processing) and includes ETL capabilities and an application server.
If you want to get more details about their products/frameworks, i'd suggest to visit their
website - developer bookmark[
^]. You can use the DI API, which contains objects and methods that enable developers to read, write, update, and remove data objects on the database level.
See:
SAP Business One SDK DI API[
^]
Integrating SAP Web Services into Microsoft .NET Environments[
^]