E-Bank - A Core Banking Application is a technical book that focuses on the development of a central banking application. The application was implemented using the Oracle Developer Suite (D2K) Forms and Reports, as well as the Oracle database. It was specifically designed for internal use within a bank and is divided into various sections, including cashier, loan department, management, and reception. Access to the application is granted according to user permissions, ensuring a structured and secure usage. The book serves as an academic project within a master's program and provides valuable insights into the development and implementation of banking applications.