This article discusses the interconnection of different divisions of Deutsche Bank and how they work together to provide financial services. It explores the divisional structure of the bank and the functions of each division. The article also highlights the data flow among the divisions and the role of data warehousing in Deutsche Bank. Additionally, it discusses the advantages and disadvantages of using big data solutions in the bank. Finally, it summarizes the key concerns about legal, ethical, and professional implications associated with information security and handling in Deutsche Bank.