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."
References
Chapple, M., "Introduction to NoSQL: Building Databases to Support Big Data," at URL http://databases.about.com/od/otherdatabases/a/Introduction-To-Nosql.htm
Levy, E. "The Rise of the Columnar Database," Information Management, May 19, 2009 at URL http://www.information-management.com/blogs/columnar_databases_column_major_data_warehouse_startup_analytics-10015473-1.html
Wikipedia, the free encyclopedia, "Column-oriented DBMS," at URL http://en.wikipedia.org/wiki/Column-oriented_DBMS
Last update: 2013-05-02 06:58
Author: Daniel Power
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