How to objectively measure the popularity of a DB engine? Good question! And there’s an Austrian company (Solid IT) who claims to have the answer. The company focuses on “Big Data und NoSQL”, but this focus does not seem to have biased the result of the measurement. Among the top 10 database engines, there is only MongoDB, which is not an RDBMS. And it’s astonishing just how popular MongoDB seems to be (although, they must be doing something right)!
Now, I’m not surprised by the top 3. I am definitely surprised by the fact that PostgreSQL and SQLite are not more popular. I am also surprised, that there aren’t more “wide-column stores” among the top 10. Maybe, Michael Stonebraker has to review his claims about the traditional RDBMS wisdom being all wrong?
It turns out that Java databases (Derby, H2, HyperSQL) are not so popular compared to all the others. It also turns out that MariaDB still has a lot of grounds to gain, compared to MySQL.
The ranking considers a lot of data from various somewhat authoritative sources as is explained here. These include:
- Number of mentions of the system on websites. Measured through search engine results.
- General interest in the system. Measured through Google Trends.
- Frequency of technical discussions about the system. Measured through Stack Overflow and similar.
- Number of job offers, in which the system is mentioned. Measured through Indeed and similar.
- Number of profiles in professional networks, in which the system is mentioned. Measured through LinkedIn.
This ranking is certainly something to keep an eye on!
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