Featured Author

Ranjit Lingaiah
Solutions Architect, MapR

Ranjit has over 20 years of experience working with Java, Node.js and JavaEE in many roles of the software development, including design and development. Prior to MapR, Ranjit worked at PayPal developing Hosted Sole Solution, Checkout application and Onboarding platform. Prior to PayPal, Ranjit worked as a Software developer at Sun Microsystems for over 15 years, where he developed Sun remote services and Common Desktop Environment for Solaris. Ranjit holds a MS in Computer Science from University of North Carolina at Charlotte.

Author's Posts

Posted on January 25, 2016 by Ranjit Lingaiah

In the wide column data model of MapR-DB, all rows are stored by a row key, column family, column qualifier, value, and timestamps. In the current version, the row key is the only field that is indexed, which fits the common pattern of queries based on the row key.

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