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How well do you know databases?

Guess the real numbers behind databases, see how everyone else guessed, and get the source.

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As of May 2025, which popular document-style database ranked #5 on DB-Engines?

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Database by the numbers

Real figures with their sources. All Database facts →

424 systems

As of May 2025, how many different database management systems does the DB-Engines ranking track worldwide?

The ranking covers everything from relational databases to graph and time-series databases.

Source: DB-Engines Ranking (2025) db-engines.com

MySQL, with a score of 964.98

As of May 2025, which database ranked #2, just behind Oracle?

MySQL remains one of the most widely used open-source relational databases.

Source: DB-Engines Ranking (2025) db-engines.com

+28.77 points

From May 2024 to May 2025, PostgreSQL's DB-Engines score grew year-over-year by about how much?

That growth reflected PostgreSQL's rising popularity among developers.

Source: DB-Engines Ranking (2025) db-engines.com

What people think about computer databases

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One Database stat a week

A surprising, sourced computer databases number and that week's poll, in your inbox every Monday. Free, and you can stop any time.

Questions

How does DatabaseSurvey.com work?

Each question asks you to guess a real number about computer databases. After you answer you see how everyone else guessed, then the real figure and where it comes from.

How is the daily round scored?

Four stats and one opinion poll. A correct guess earns 100 points plus up to 50 for speed, with a combo bonus for answers in a row. The range next to the right answer earns 40. Opinion polls earn 25 for having your say, and nailing every stat adds 150.

Where do the numbers come from?

Every stat links to its source, such as government statistics agencies, research organizations and industry groups. Figures are checked against the source before they go live.

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