SAP HANA

 From the link: http://en.wikipedia.org/wiki/SAP_HANA

SAP HANA is SAP AG’s implementation of in-memory database technology. There are four components within the software group:

• SAP HANA DB (or HANA DB) refers to the database technology itself,
• SAP HANA Studio refers to the suite of tools provided by SAP for modeling,
• SAP HANA Appliance refers to HANA DB as delivered on partner certified hardware (see below) as an appliance. It also includes the modeling tools from HANA Studio as well as replication and data transformation tools to move data into HANA DB,
• SAP HANA One refers to a deployment of SAP HANA certified for production use on the Amazon Web Services (AWS) cloud. (see below)
• SAP HANA Application Cloud refers to the cloud based infrastructure for delivery of applications (typically existing SAP applications rewritten to run on HANA).