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What is a data cube, and why is it important?

Path to a High-Paying AI Jobs: Key Interview Questions and Expert Answers

Mark Kara
5 min readSep 8, 2024

This article is the series of Path to a High-Paying AI Jobs: Key Interview Questions and Expert Answers Index Article. You can find Key Interview Questions that are highly asked on High-Paying AI Job Interviews and links to expert answer articles from that page.

What is a data cube, and why is it important?

A data cube is a multidimensional array of data used to represent data in a structured and easily analyzable format, particularly in the context of Online Analytical Processing (OLAP) and data warehousing.

Data Cube allows data to be modeled and viewed across multiple dimensions, enabling more flexible and powerful analysis of large datasets. Each dimension in a data cube represents a different aspect of the data (e.g., time, product, location), and the cells of the cube store aggregated or detailed data corresponding to those dimensions.

Structure of a Data Cube:

A data cube organizes data into dimensions and measures:

Dimensions: Dimensions represent the perspectives or attributes along which data can be analyzed. For example, in a sales dataset, dimensions might include time (e.g., year, quarter, month), product (e.g., electronics, clothing)…

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Mark Kara
Mark Kara

Written by Mark Kara

amazon.com/author/markkara Salesforce Marketing Cloud Technical Architect who writes on Technology, Data Science, Finance , Management and who creates Puzzles.

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