OLAP Data Model: Multidimensional and Relational Approaches

In course

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Description

This lecture covers the concepts of OLAP data models, focusing on multidimensional and relational approaches. It explains how numeric measures are related to dimensions, the storage options for multi-dimensional data, star schema design, snowflake schema as an alternative, and the importance of hierarchies in dimension tables.

Instructor

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Official source

https://mediaspace.epfl.ch/media/0_ax5c3vxr

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Ontological neighbourhood

Computer engineering

Databases: Relational databases, Data warehouses

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