SAP ABAP(Sophisticated organization application programming) is usually a programming language for SAP application. we do coding irrespective of underlying databases. Following the evolution of HANA databases,the many Oracle db is changed by HANA DB. HANA db is column oriented and knowledge gets saved in RAM ,the main benifits of HANA http://abaponhanacoursecontent14678.affiliatblogger.com/24872117/abap-on-hana-instruction-s4hana-instruction