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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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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OrientDB
OrientDB

OrientDB

Key-Value Database System

OrientDB is a multi-model NoSQL DBMS that supports graph, documents, key-value, and object-oriented storage. Instead of just implementing another layer with an API, OrientDB integrates those models. …

Since 2010 Acquired Company Apache v2
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DuckDB DuckDB Relational 2 HBase HBase Column Family / Wide-Column 2 turbopuffer turbopuffer Vector 2 AnnDB AnnDB Vector 1 Drizzle Drizzle Relational 1