SAP ABAP(Sophisticated business application programming) is usually a programming language for SAP software. we do coding irrespective of underlying database. Following the evolution of HANA database,many of the Oracle db has become replaced by HANA DB. HANA db is column oriented and details receives saved in RAM ,the main benifits http://cristianmscef.ka-blogs.com/18101136/abap-on-hana-education-s4hana-education