12 BUSINESS INTELLIGENCE
Business intelligence is the name that has been given to the set of ‘techniques’ that is used to transform raw data into information that can be used to inform high-level decision-making. This set of techniques enables decision-makers to take historical, current or predictive views of the business. The techniques include data warehousing, data mining, online analytical processing (OLAP) and dimensional modelling.
THE DATA WAREHOUSE
A data warehouse is not just a large collection of data. At its simplest, it is a copy of transactional data – that is, the data created in the operational systems used by the enterprise. This copied data is specifically structured to make it easy for the data to be queried and analysed. ...
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