By Cornelius Rahn & Aaron Ricadela - 2013-01-10T17:15:00Z SAP AG (SAP) will unveil the most significant overhaul to its mainstay enterprise software in two decades, in a move to cement its dominance in that market while springing on Oracle Corp. (ORCL)’s database business. The German company is showing at an event today in Palo Alto, California, a much faster version of its Business Suite software by running it within its Hana database. The product will give SAP the chance of growing its market share in both application and database markets by