Digitisation and its associated technologies have changed the world rapidly, radically and irreversibly. Data is playing an increasingly important role in this world. And this is true for NN, too. Because the huge flow of data provides us with a wealth of useful information. Onno Meijers is responsible for the data warehouse within Nationale-Nederlanden Non-Life. Database Manager means that you are responsible for monitoring all data streams that feed our data warehouse and also for the data streams that come out of it, as well. In this video Onno tells us about the challenges and his experiences in working with a large data warehouse.