Database of Databases · The Encyclopedia of Database Systems

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

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Databases Named "Store" When You Don't Want to Use 'DB' AI-Assisted Development Systems Using Coding Agents CMU Databases Systems Carnegie Mellon University

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14 Models

Relational 451 Key/Value 240 Document / XML 211 Graph 83 Object-Oriented 61 Vector 39 Column Family / Wide-Column 28 Triplestore / RDF 26 Array / Matrix 21 Network 10 Multi-Value 5 Hierarchical 5 Entity-Relationship 4 Entity-Attribute-Value 2

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Hive

Relational Database System

Apache Hive is a data warehouse software built on top of Hadoop that facilitates reading, writing and managing large datasets residing in distributed storage using SQL. Hive provides the necessary SQ…

Since 2010 OLAP Apache v2

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Datahike Key/Value today 02 BU Bunny Database Relational today 03

VennDB Relational today 04

TransLattice Relational today 05

k4 Key/Value 1d ago

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SciDB Array / Matrix -2% 02

InterBase Relational -13% 03

BTDB Key/Value · Object-Oriented +18% 04

LMDB Key/Value +13% 05

BoltDB Key/Value -12%

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OpenSearch Document / XML 7 02

SparrowDB Graph 6 03

k4 Key/Value 5 04

LMDB Key/Value 5 05

Streambase Relational 5