Data Warehouses and Decision Support Systems

In course

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Description

This lecture covers the concepts of views in data warehouses, including their creation, materialization, and maintenance. It explains the different types of views such as evaluate-on-demand and materialized views, along with their tradeoffs and optimizations. The lecture also discusses top-k queries and their optimizations, providing insights into decision support systems and the impact of column stores on data retrieval.

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Instructor

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Official source

https://mediaspace.epfl.ch/media/0_orfb6fjr

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Ontological neighbourhood

Computer engineering

Databases: Relational databases

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