SAP is going to retain a lot of its proprietary ABAP code in...

SAP is going to retain a lot of its proprietary ABAP code in developing its next generation SOA applications whereas Oracle's approach is to try to get away from legacy and proprietary code and move to a pure Java J2EE environment. Even though the task Oracle has is more complicated in that they have to integrate applications from multiple acquisitions, they will achieve a more open kind of environment.