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Nowadays, we are bombarded with information which has a big influence on our decisions. It is more and more difficult to use it effectively. Business Intelligence (BI) systems are very helpful. They support enterprises while carrying analyses and conducting researches. They make it possible to reach unambiguous decisions in the right time, they minimize the costs and they also provide the opportunity to verify and correlate the decisions with the entire enterprise's strategy. BI Systems help to integrate and analyze the data coming from different sources and as a result they make it easier to reach decisions. The article presenting above issues aims at showing engines which have a positive influence on the management of information in different organizations.