1. A method for adapting a relational database management system for a computer, where the system does not have the ability to handle foreign data or real time data and where the computer has a particular operating system which has a kern under which the database management system is to run with adaptation being directed to making it possible for said database management system to access foreign (backdoor) date for the examination and processing of that data by the database management system, comprising the steps of: providing the operating system kernel with a database backdoor driver operable to make foreign data look like a standard file to the database management system; and providing data access program whose scenario for obtaining the foreign data is an indirect scenario with a simulated index and said data access programs include provision for a shadow file which provides the relationship between tags which identify the data to the database and the information needed to get desired real time data from the real time system; and providing a data base backdoor server for getting the foreign data from the data access program for the backdoor files.