What is a columnar database?

by Daniel J. Power
Editor, DSSResources.COM

A columnar database stores data tables as sections of columns of data rather than as rows of data. Chapple explains "Columnar databases are a hybrid between NoSQL and relational databases. They provide some row-and-column structure, but do not have the strict rules of relational databases."


Chapple, M., "Introduction to NoSQL: Building Databases to Support Big Data," at URL

Levy, E. "The Rise of the Columnar Database," Information Management, May 19, 2009 at URL

Wikipedia, the free encyclopedia, "Column-oriented DBMS," at URL

Last update: 2013-05-02 06:58
Author: Daniel Power

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