In the business world, the role of manager is essential and aims to permanently determine the most efficient way of using available resources to achieve its objectives. Moreover, the notion of business intelligence is more and more present in this environment. Indeed, every business needs a business plan, and there are many different ways to develop it. Unlike traditional approaches, business intelligence or business intelligence can provide each manager with reliable and relevant information through a set of properly structured technological tools such as data mining or A / B testing. Thus, decision-making and the entire development strategy of the company are henceforth objectivity because they are based on quantitative and qualitative data.