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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Apache Foundation Databases Databases controlled by Apache Software Foundation Amazon Database Systems Database Systems Developed by Amazon CMU Databases Systems Carnegie Mellon University

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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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MongoDB
MongoDB

MongoDB

Document / XML Database System

MongoDB is an open-source, cross-platform document-oriented DBMS store. It is a document database storing strongly typed objects with optional levels of schema validation. Ad hoc queries, indexing, a…

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Oracle Oracle Key-Value · Graph · Triplestore / RDF · Document / XML · Relational +847% LMDB LMDB Key-Value -33% Derby Derby Relational +697% Adaptive Server Enterprise Adaptive Server Enterprise Relational +671% OceanBase OceanBase Relational +314%

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HeavyDB HeavyDB Relational 4 R:BASE R:BASE Relational 4 Aito Aito Relational 3 Akumuli Akumuli Relational 3 HE HelinDB Key-Value 3