Lecture

Decomposition Storage Model: Column-Oriented Storage

In course

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Description

This lecture covers the Decomposition Storage Model (DSM) focusing on column-oriented storage. It explains the advantages of DSM, such as memory efficiency and faster queries. The lecture delves into columnar storage examples, bit-vector encoding, dictionary encoding, and compression techniques like run-length encoding. It also discusses write-optimized storage, per-page dictionaries, and operators over compressed data.

Instructor

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Official source

https://mediaspace.epfl.ch/media/0_46x6gl2v

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Ontological neighbourhood

Information engineering

Signal processing: Data compression

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