openHPI is the online education platform of the Hasso Plattner Institute for Software Systems Engineering, which is affiliated with the University of Potsdam. The platform offers practical IT courses. This document is a record of achievement showing that Mohamed Abd Elfattah Elmarakby participated in the 2014 openHPI course on In-Memory Data Management, taught by Hasso Plattner. The course covered topics like enterprise computing history, databases, and in-memory techniques. Elmarakby received 64% on the homework and final exam.