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Ranking > Categories

DBMS popularity broken down by database model

Number of systems per category, December 2017

DB-Engines lists 339 different database management systems, which are classified according to their database model (e.g. relational DBMS, key-value stores etc.).
This pie-chart shows the number of systems in each category. Some of the systems belong to more than one category.

Ranking scores per category in percent, December 2017

This chart shows the popularity of each category. It is calculated with the popularity (i.e. the ranking scores) of all individual systems per category. The sum of all ranking scores is 100%.

Popularity changes per category, December 2017

The following charts show the historical trend of the categories' popularity. In the ranking of each month the best three systems per category are chosen and the average of their ranking scores is calculated. In order to allow comparisons, the initial value is normalized to 100.

Complete trend, starting with January 2013

Trend of the last 24 months

Trend of the last 12 months





Upcoming Events

» more DBMS events
4D event
4D Summit 2018 Paris
Paris, France
20-22 March 2018
Elasticsearch event
Elastic{ON} 2018, Elasticsearch User Conference
San Francisco, California, USA
27 February 2018 - 1 March 2018
Percona Server event
Percona Live Open Source Database Conference 2018
Santa Clara, California, USA
23-25 April 2018


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