Business intelligence is the set of technologies, processes, and practices for collecting, integrating, analysing, and presenting business data to support managerial decision-making. It encompasses data warehousing, reporting, dashboards, online analytical processing (OLAP), and ad-hoc querying that turn raw operational records into actionable insight. BI matters because it converts dispersed enterprise data into a coherent, queryable foundation for performance monitoring and strategic planning.
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- A BI stack typically layers a data warehouse or lakehouse, an OLAP/semantic model, and a presentation tier of reports and interactive dashboards. Modern BI emphasises self-service exploration and governed metric definitions so that analysts and business users share consistent measures across the enterprise.