For now 10 years, the Action Learning has allowed employees of University of Angers, private and public Companies to be initiated with the design of database, on projects financed by professional structures. These innovating training periods are carried out within the framework of the University College of Further Education of the University of Angers. Database design is a process initially reserved to the professional data processing specialists, coming from French Level-2 technological courses (2-year degrees) or Engineer Schools (Master). The pedagogical model of technological courses has integrated for more than 20 years transverse semester projects, in order to give the students the opportunity to apply newly acquired knowledge, coordinated by teachers. Action Learning requires teachers to assume the role of supervisors for the project management. The objective of Action Learning is to transmit not only knowledge from teachers, but also the experience of consultants to trainees having no competence in data processing, but who have the knowledge of their business process. The present paper shows that Action Learning puts together the factors for success of French technological courses, the adaptability of pedagogy provided to the vocational training, and finally the competence of service provider, Keeping the best parts of those three complementary approaches makes it possible for this kind of formation to achieve teaching and professional, assessable and long lasting goals. Action Learning belongs to the French policy that aims to improve the volume and the quality of the contracts between Universities and companies.