OLAP is a technology that allows users to analyze multidimensional data interactively from different perspectives for business intelligence and decision-making.
Explanation:
- Used for trend analysis, forecasting, and decision support.
- Works with large aggregated datasets.
- Uses data cubes to analyze different dimensions (e.g., time, location, product).
Example OLAP Query (Aggregate Sales by Region and Year):
SELECT region, year, SUM(sales) FROM SalesData GROUP BY region, year;
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