Data Warehousing and Data Mining20755 marksOLAP operation in multidimensional data model
Explain OLAP operations with examples.
Explain OLAP operations with examples. [5]
OLAP (Online Analytical Processing) allows users to analyze multidimensional data from multiple perspectives. Data is organized in a data cube with dimensions (e.g., location, time, product) and facts (e.g., sales amount, units sold). The major OLAP operations are described below: --- Roll-up is ...