Databases with Shared-Disk System Architecture


	Accumulo NoSQL	2008	Column Family / Wide-Column	Shared-Disk	NoSQL
	Adaptive Server Enterprise Acquired Company	1987	Relational	Shared-Disk, Shared-Memory	Acquired Company
	AlloyDB OLAP Forked Code OLTP	2022	Relational	Shared-Disk	OLAP Forked Code OLTP
	AresDB OLAP Abandoned	2018	Relational	Shared-Disk	OLAP Abandoned
	Aurora DSQL Serverless OLTP	2023	Relational	Shared-Disk	Serverless OLTP
	Axibase Time-Series Failed Company	2004	—	Shared-Disk	Time-Series Failed Company
	Azure HorizonDB Forked Code	2026	Relational	Shared-Disk	Forked Code
	Azure SQL Database Hosting Service	2009	Relational	Shared-Disk	Hosting Service
	Bedrock Blockchain OLTP AI-Assisted	2016	Relational	Embedded, Shared-Disk	Blockchain OLTP AI-Assisted
	BlinkDB Abandoned	2012	Relational	Shared-Disk	Abandoned
	BTrDB Abandoned	2014	Relational	Shared-Disk	Abandoned
	ByConity OLAP	2020	Relational	Shared-Disk	OLAP
	CnosDB Time-Series	2021	Relational	Shared-Disk	Time-Series
	Databend AI-Assisted	2020	Relational	Shared-Disk	AI-Assisted
	Db2	1983	Document / XML, Relational	Shared-Everything, Shared-Disk
	Delta Lake AI-Assisted	2019	Column Family / Wide-Column	Shared-Disk	AI-Assisted
	Dremio OLAP Query Engine Acquired Company Data Lake	2015	Relational	Shared-Disk	OLAP Query Engine Acquired Company Data Lake
	DuctileDB Abandoned	2015	Graph	Shared-Disk	Abandoned
	Elliptics Abandoned	2009	Key-Value	Shared-Disk	Abandoned
	EsgynDB Failed Company	2015	Relational	Shared-Disk	Failed Company
	Firebolt OLAP Forked Code	2020	Relational	Shared-Disk	OLAP Forked Code
	Floe OLAP Forked Code Data Lake	2025	Relational	Shared-Disk	OLAP Forked Code Data Lake
	GeoSpock DB Failed Company	2013	Relational	Shared-Disk	Failed Company
	GreptimeDB Time-Series AI-Assisted	2022	Relational	Shared-Disk	Time-Series AI-Assisted
	Hadoop OLAP AI-Assisted	2006	—	Shared-Disk	OLAP AI-Assisted
	HAWQ OLAP Abandoned Middleware	2015	Relational	Shared-Disk	OLAP Abandoned Middleware
	HBase NoSQL	2007	Column Family / Wide-Column	Shared-Disk	NoSQL
	HoraeDB Time-Series Abandoned	2021	Relational	Shared-Disk	Time-Series Abandoned
	Husky Time-Series	2020	Document / XML	Shared-Disk	Time-Series
	Hypertable Acquired Company Abandoned	2008	Column Family / Wide-Column	Shared-Disk	Acquired Company Abandoned
	InfiniDB OLAP Abandoned Failed Company	2000	Relational	Shared-Nothing, Shared-Disk	OLAP Abandoned Failed Company
	Infino Query Engine Nearest Neighbor MMAP	—	Relational	Shared-Disk	Query Engine Nearest Neighbor MMAP
	JanusGraph Acquired Company	2012	Graph	Shared-Disk	Acquired Company
	Kylin	2013	Key-Value	Shared-Disk
	lakeql Query Engine AI-Assisted	2026	Relational	Shared-Disk	Query Engine AI-Assisted
	libSQL Forked Code OLTP	2022	Relational	Embedded	Forked Code OLTP
	MapR-DB Acquired Company	2012	Column Family / Wide-Column	Shared-Disk	Acquired Company
	Mimir Time-Series AI-Assisted	2016	Relational	Shared-Disk	Time-Series AI-Assisted
	MonographDB	2021	Relational	Shared-Disk
	MotherDuck Hosting Service	2022	Relational	Shared-Disk	Hosting Service
	Napa	2018	Relational	Shared-Disk
	Neon Serverless Forked Code Acquired Company OLTP	2021	Relational	Shared-Disk	Serverless Forked Code Acquired Company OLTP
NE	Neoview Abandoned	2007	Relational	Shared-Nothing, Shared-Disk	Abandoned
	Neptune	2018	Graph, Triplestore / RDF	Shared-Disk
	Netlify Database Serverless Hosting Service	2024	Relational	Shared-Disk	Serverless Hosting Service
	NonStop SQL Acquired Company OLTP	1987	Relational	Shared-Disk, Shared-Nothing	Acquired Company OLTP
	ObsessionDB OLAP Hosting Service	2024	Relational	Shared-Disk	OLAP Hosting Service
	OpenTSDB Time-Series Abandoned	2010	Key-Value	Shared-Disk	Time-Series Abandoned
	OushuDB	2016	Relational	Shared-Disk
	Oxla OLAP Acquired Company	2020	Relational	Shared-Disk	OLAP Acquired Company
	Phoenix Middleware AI-Assisted	2014	Relational	Shared-Disk	Middleware AI-Assisted
	PieCloudDB OLAP	2021	Relational	Shared-Disk	OLAP
	PolarDB	2017	Relational	Shared-Disk
	Prometheus Time-Series AI-Assisted	2012	Key-Value	Shared-Disk	Time-Series AI-Assisted
	ProtonBase OLAP	2021	Document / XML, Relational	Shared-Disk	OLAP
	QLDB Abandoned Blockchain	2018	Document / XML	Shared-Disk	Abandoned Blockchain
	Quickwit Acquired Company Search Engine AI-Assisted	2021	Document / XML	Shared-Disk	Acquired Company Search Engine AI-Assisted
	Quokka OLAP Abandoned	2021	Relational	Shared-Disk	OLAP Abandoned
	RainStor Acquired Company	2004	Relational	Shared-Disk	Acquired Company
	ScopeDB	2024	Relational	Shared-Disk
	SequoiaDB	2011	Document / XML	Shared-Disk
	SingleStore OLAP NewSQL Acquired Company OLTP	2011	Document / XML, Key-Value, Multi-Value, Object-Oriented, Relational, Vector	Shared-Disk	OLAP NewSQL Acquired Company OLTP
	Skyrise OLAP Serverless Query Engine Abandoned	2019	Relational	Shared-Disk	OLAP Serverless Query Engine Abandoned
SM	SmithDB OLAP	2026	—	Shared-Disk	OLAP
	Sneller	2022	Document / XML	Shared-Disk
	Snowflake OLAP	2013	Document / XML, Relational	Shared-Disk	OLAP
	Splice Machine Abandoned Failed Company	2012	Relational	Shared-Disk	Abandoned Failed Company
	Splunk Acquired Company Search Engine	2002	Key-Value	Shared-Disk, Shared-Nothing	Acquired Company Search Engine
	SQLite OLTP	2000	Relational	Embedded, Shared-Disk	OLTP
	SQL Server	1988	Relational	Shared-Disk
	Tajo OLAP Abandoned	2012	Relational	Shared-Disk	OLAP Abandoned
	TensorBase OLAP Abandoned Failed Company	2020	Relational	Shared-Disk	OLAP Abandoned Failed Company
TE	Tera Abandoned	2014	Column Family / Wide-Column	Shared-Disk	Abandoned
	Tibero OLTP	2003	Relational	Shared-Disk, Shared-Everything	OLTP
	TopK Nearest Neighbor Search Engine AI-Assisted	2024	Document / XML	Shared-Disk	Nearest Neighbor Search Engine AI-Assisted
	ToplingDB Forked Code AI-Assisted	2021	Key-Value	Embedded, Shared-Disk	Forked Code AI-Assisted
	Trino AI-Assisted	2019	—	Shared-Disk	AI-Assisted
	turbopuffer Serverless Nearest Neighbor	2023	Vector	Shared-Disk	Serverless Nearest Neighbor
	Turso OLTP AI-Assisted	2023	Relational	Embedded	OLTP AI-Assisted
	UnisonDB Multi-Model	2025	Column Family / Wide-Column, Key-Value	Shared-Disk, Shared-Everything	Multi-Model
	Vald Nearest Neighbor Search Engine AI-Assisted	2019	Vector	Shared-Disk	Nearest Neighbor Search Engine AI-Assisted
	Venice AI-Assisted	2014	Document / XML	Shared-Disk	AI-Assisted
	XTDB AI-Assisted	2018	Document / XML	Shared-Disk	AI-Assisted
	YDB NewSQL OLTP AI-Assisted	2014	Relational	Shared-Disk	NewSQL OLTP AI-Assisted