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Lecture
OLAP Queries: Aggregations, Cube Operator, and Optimizations
Description
This lecture covers OLAP queries, including multidimensional data models, star schema, dimension hierarchies, and OLAP operations like roll-up, drill-down, and slicing. It also explores the CUBE operator, relational view of data cube, super-aggregates, and optimizations using bitmap indexes and join strategies.
Official source
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