Business intelligence (BI) is a technology which is based on data warehouse and it is provides a strategic advantage. BI system has four major components which is that combination of data warehouse, business analytics; a collection of tools for manipulating, mining and analyzing the data in the data warehouse, applications and methodologies.
BI’s major objective is to enable interactive access (sometimes in real-time) to data to enable manipulation of data and give business managers and analysts the ability to conduct appropriate analysis.
By analyzing historical and current data, situations and performances, decisions makers get valuable insight that enable them to make more informed and better decision. The process of BI is based on the transformation of data to information then to decisions and finally to actions.