DBDB.io The Encyclopedia of Database Systems · Est. 2017
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Database of Databases

A curated reference guide for implementations of the world's most important type of software.

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Obscure Programming Languages Systems Writtens In Uncommon Languages Embeded Key-Value Stores The Smallest Database Systems Public Domain Databases Systems Not Controlled By Any License

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14 Models
Relational 473 Key-Value 248 Document / XML 217 Graph 91 Object-Oriented 64 Vector 50 Triplestore / RDF 28 Column Family / Wide-Column 28 Array / Matrix 22 Network 10 Multi-Value 7 Hierarchical 7 Entity-Relationship 4 Entity-Attribute-Value 2

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MySQL
MySQL

MySQL

Relational Database System

MySQL is an open-source relational database management system. MySQL is used in many web applications and websites, and there are several commercial databases that are compatible with it. Users inter…

Since 1994 Acquired Company GPL v2
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HeavyDB HeavyDB Relational 4 Aito Aito Relational 3 Akumuli Akumuli Relational 3 HE HelinDB Key-Value 3 MMKV MMKV Key-Value 3