SAP ABAP(State-of-the-art business software programming) is really a programming language for SAP application. we do coding no matter fundamental databases. After the evolution of HANA database,many of the Oracle db is changed by HANA DB. HANA db is column oriented and data gets stored in RAM ,the key benifits of http://hectorfkprt.pointblog.net/ABAP-on-HANA-Teaching-S4HANA-Education-31199567