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Ranking > Categories

DBMS popularity broken down by database model

Number of systems per category, May 2017

DB-Engines lists 327 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, May 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, May 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

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Teradata event
Teradata 2017 Partners Conference
Anaheim, California, USA
22-26 October 2017
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MongoDB World 2017
Chicago, Illinois, USA
20-21 June 2017
Microsoft SQL Server event
PASS Summit 2017
Seattle, Washington, USA
31 October 2017 - 3 November 2017


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