SAP ABAP(Superior business enterprise software programming) is actually a programming language for SAP software. we do coding regardless of underlying database. After the evolution of HANA database,all of the Oracle db has long been replaced by HANA DB. HANA db is column oriented and data will get saved in RAM http://zionhkdwq.mybloglicious.com/12481219/abap-on-hana-instruction-s4hana-training