427 Systems Found

Databases with SQL Query Interface

427 results

Remove Remove

Save Search


	1010data OLAP	2000	Relational	Custom API, HTTP / REST, SQL	OLAP
	4D	1984	Relational	Custom API, SQL
	ActorDB Abandoned	2014	Relational	Custom API, SQL	Abandoned
	Adaptive Server Enterprise Acquired Company	1987	Relational	SQL, Stored Procedures	Acquired Company
	Advantage Database Server xBase Acquired Company	1993	Relational	SQL	xBase Acquired Company
	AGEDB Middleware AI-Assisted	2019	Graph	Cypher, SQL	Middleware AI-Assisted
	AgensGraph Forked Code Multi-Model Acquired Company	2013	Document / XML, Graph, Key-Value, Relational	Cypher, SQL	Forked Code Multi-Model Acquired Company
	AionDB Multi-Model	2026	Vector, Graph, Relational	SQL, Cypher	Multi-Model
	AKDB Abandoned	2009	Relational	SQL	Abandoned
	Akiban Acquired Company Abandoned	2009	—	SQL	Acquired Company Abandoned
	AlaSQL AI-Assisted	2014	Document / XML, Relational	SQL	AI-Assisted
AL	AlchemyDB Acquired Company Abandoned	2010	Relational	SQL	Acquired Company Abandoned
	Alenka Abandoned	2012	Relational	SQL	Abandoned
	AlloyDB OLAP Forked Code OLTP	2022	Relational	HTTP / REST, SQL, Stored Procedures	OLAP Forked Code OLTP
	Altibase OLTP	1999	Relational	SQL	OLTP
	Amelie OLTP	2023	Relational	SQL	OLTP
	AncelusDB	1983	Entity-Relationship	SQL
	AntDB Forked Code	—	Relational	SQL	Forked Code
	Antidote	2015	Key-Value	SQL
	Apollo xBase	1999	—	Custom API, SQL	xBase
	ArcadeDB Forked Code AI-Assisted	2021	Document / XML, Graph, Key-Value, Relational	SQL, HTTP / REST, Cypher	Forked Code AI-Assisted
	AriaSQL Abandoned	2024	Relational	Command-line / Shell, SQL, Stored Procedures	Abandoned
	Ark	2026	Relational	SQL
	Arroyo Acquired Company Streaming	2023	Relational	SQL	Acquired Company Streaming
	Aster Data OLAP Acquired Company	2005	Relational	SQL	OLAP Acquired Company
	Aurora	2014	Relational	SQL
	Aurora DSQL Serverless OLTP	2023	Relational	SQL	Serverless OLTP
	Axibase Time-Series Failed Company	2004	—	SQL	Time-Series Failed Company
	Axion Abandoned	2002	Relational	SQL	Abandoned
	Azure SQL Database Hosting Service	2009	Relational	SQL	Hosting Service
	BaikalDB	2018	Relational	SQL
	BASIS	—	Relational	SQL
	Beagle SQL Abandoned	1996	Relational	SQL	Abandoned
	Bedrock Blockchain OLTP AI-Assisted	2016	Relational	SQL, Command-line / Shell	Blockchain OLTP AI-Assisted
	BemiDB	2024	Relational	SQL
	Berkeley DB Acquired Company OLTP DBM	1994	Document / XML, Key-Value	Custom API, SQL, PL/SQL	Acquired Company OLTP DBM
	BigQuery OLAP Serverless	2010	Document / XML, Relational	SQL	OLAP Serverless
	BitYota Acquired Company	2011	Relational	SQL	Acquired Company
	BlackRay Failed Company	2005	Relational	SQL	Failed Company
	BlazingSQL OLAP Abandoned Failed Company	2015	Relational	SQL	OLAP Abandoned Failed Company
	BlinkDB Abandoned	2012	Relational	SQL	Abandoned
	BlobCity Failed Company	2015	Document / XML, Relational	SQL	Failed Company
BU	Bunny Database Serverless	2023	Relational	SQL	Serverless
	BusTub	2019	Relational	SQL
	ByConity OLAP Abandoned	2020	Relational	SQL	OLAP Abandoned
	Caché	1997	Array / Matrix	SQL
	CedarDB OLAP Forked Code OLTP	2023	Relational, Array / Matrix	SQL	OLAP Forked Code OLTP
CH	ChaiSQL	2018	Document / XML	SQL
	chaozzDB Abandoned	2008	—	SQL	Abandoned
	chDB OLAP Acquired Company AI-Assisted	2023	Relational	SQL	OLAP Acquired Company AI-Assisted
	CheetahDB	2018	Relational	SQL
	Citus OLAP Acquired Company AI-Assisted	2010	Relational	SQL	OLAP Acquired Company AI-Assisted
	ClearDB Acquired Company	2010	Relational	SQL, Stored Procedures	Acquired Company
	ClickHouse OLAP AI-Assisted	2016	Relational	Command-line / Shell, Custom API, HTTP / REST, SQL	OLAP AI-Assisted
	Cloudberry OLAP Forked Code Revival Project	2023	Relational	SQL	OLAP Forked Code Revival Project
	Cloud Datastore NoSQL	2013	Document / XML	Custom API, HTTP / REST, SQL	NoSQL
	Cloud Spanner NewSQL	2007	—	SQL	NewSQL
	Cloud SQL Hosting Service	2012	Relational	SQL	Hosting Service
	Clustrix NewSQL Acquired Company OLTP	2006	Relational	SQL, Stored Procedures	NewSQL Acquired Company OLTP
	CnosDB Time-Series	2021	Relational	SQL	Time-Series
	CockroachDB NewSQL OLTP AI-Assisted	2014	Relational	SQL	NewSQL OLTP AI-Assisted
	CoGaDB Abandoned	2012	Relational	SQL	Abandoned
	Comdb2 AI-Assisted	2004	Relational	SQL	AI-Assisted
	ComputeDB OLAP Acquired Company Abandoned	2015	Relational	SQL	OLAP Acquired Company Abandoned
	Cosmos DB	2015	Key-Value, Graph, Column Family / Wide-Column	SQL, Stored Procedures
	CovenantSQL Abandoned Blockchain	2018	Relational	SQL	Abandoned Blockchain
	CrateDB	2014	—	Command-line / Shell, HTTP / REST, SQL
	C-Store Abandoned	2005	Relational	SQL	Abandoned
	cubeSQL Acquired Company	2003	Relational	SQL	Acquired Company
	Cubrick	2016	Column Family / Wide-Column	SQL
	Cubrid AI-Assisted	2008	Relational	Custom API, SQL, Command-line / Shell, Stored Procedures	AI-Assisted
	CursusDB Abandoned NoSQL	2023	Document / XML	SQL	Abandoned NoSQL
	Daffodil DB Abandoned OLTP	2003	Relational	SQL	Abandoned OLTP
	Databend AI-Assisted	2020	Relational	SQL	AI-Assisted
DA	DataBlitz OLTP	1993	Relational	Custom API, SQL	OLTP
	DataEase Acquired Company OLTP	1981	Relational	SQL	Acquired Company OLTP
	DataFusion Query Engine AI-Assisted	2016	Relational	SQL	Query Engine AI-Assisted
	DATAllegro OLAP Acquired Company	2003	Relational	SQL	OLAP Acquired Company
	Db2	1983	Document / XML, Relational	SQL, Stored Procedures
	DB9 Serverless OLTP	2026	Relational	SQL	Serverless OLTP
	DBIX	1996	—	SQL
	DBMaker	1994	Relational	SQL
	DeepDB Abandoned Failed Company	2010	Relational	SQL	Abandoned Failed Company
	Derby Acquired Company Abandoned OLTP	1997	Relational	SQL	Acquired Company Abandoned OLTP
	DeveelDB Abandoned OLTP	2009	Relational	SQL	Abandoned OLTP
	DeviceSQL Streaming	1998	Relational	SQL	Streaming
DI	DIRECT OLTP	1978	Relational	SQL	OLTP
DI	discodb Parody / Joke	2026	Relational	SQL	Parody / Joke
	DolphinDB Time-Series	2018	Relational	SQL	Time-Series
	Dolt Versioning AI-Assisted	2018	Relational	Custom API, SQL, Command-line / Shell	Versioning AI-Assisted
	Doris OLAP AI-Assisted	2017	Relational	SQL	OLAP AI-Assisted
DQ	Dqlite	2017	Relational	SQL
	Dremio OLAP Query Engine Acquired Company Data Lake	2015	Relational	SQL	OLAP Query Engine Acquired Company Data Lake
DR	DriftDB Immutable AI-Assisted	2025	Relational	SQL	Immutable AI-Assisted
	Drill OLAP AI-Assisted	2012	Column Family / Wide-Column	SQL, HTTP / REST	OLAP AI-Assisted
	Drizzle Forked Code Abandoned	2008	Relational	SQL	Forked Code Abandoned
	Druid OLAP AI-Assisted	2011	Column Family / Wide-Column	Custom API, SQL, HTTP / REST	OLAP AI-Assisted
	DynamoDB OLTP NoSQL	2012	Document / XML, Key-Value	Command-line / Shell, Custom API, PartiQL, SQL	OLTP NoSQL
	EdgelessDB Abandoned	2021	Relational	SQL	Abandoned
	EffiProz Abandoned	—	Relational	SQL	Abandoned
	ElaSQL Abandoned	2016	Relational	SQL	Abandoned
	ElevateDB	2006	Relational	SQL
	Eloquera	2008	Object-Oriented	Custom API, SQL
EM	EmbedDB Time-Series	2023	Relational	Custom API, SQL	Time-Series
	Empress	1979	Relational	SQL
	Endatabas OLAP Abandoned OLTP Immutable	2023	Document / XML, Relational	HTTP / REST, SQL	OLAP Abandoned OLTP Immutable
	EraDB Acquired Company	2019	Document / XML	SQL	Acquired Company
	EsgynDB Failed Company	2015	Relational	SQL, Command-line / Shell, PL/SQL, Stored Procedures	Failed Company
	EVA DB Abandoned	2018	Relational	SQL	Abandoned
	EventQL OLAP Abandoned	2014	Relational	SQL	OLAP Abandoned
EV	EvolvSQL OLTP	2026	Relational	SQL	OLTP
	Exasol OLAP	2000	Relational	SQL	OLAP
	ExtendDB Middleware AI-Assisted	2026	Key-Value, Document / XML	Custom API, HTTP / REST	Middleware AI-Assisted
	eXtremeDB Cache Time-Series OLTP Middleware	2001	Key-Value, Entity-Relationship, Relational, Column Family / Wide-Column	Custom API, RPC, SQL, HTTP / REST, Command-line / Shell, Stored Procedures	Cache Time-Series OLTP Middleware
	FastDB MMAP	2011	Relational	Custom API, SQL	MMAP
	FBase Time-Series Abandoned	2022	Relational	SQL	Time-Series Abandoned
	FeatureBase Abandoned Search Engine	2017	Relational	Custom API, HTTP / REST, SQL, Command-line / Shell	Abandoned Search Engine
FE	Ferrite OLTP	2024	Relational	SQL	OLTP
FI	FileDb Abandoned NoSQL	2011	Relational	Custom API, SQL	Abandoned NoSQL
	FileMaker Acquired Company	1985	Relational	Custom API, SQL	Acquired Company
	Firebird AI-Assisted	2000	Relational	Custom API, SQL, Command-line / Shell, Stored Procedures	AI-Assisted
	Firebolt OLAP Forked Code	2020	Relational	SQL	OLAP Forked Code
	FirstSQL/J Failed Company	2001	Relational	Command-line / Shell, Custom API, SQL, Stored Procedures	Failed Company
	Floe OLAP Forked Code Data Lake	2025	Relational	Model Context Protocol, SQL	OLAP Forked Code Data Lake
	Fluree Blockchain AI-Assisted	2017	Document / XML, Graph, Triplestore / RDF, Relational	SPARQL, Custom API, SQL, HTTP / REST, GraphQL	Blockchain AI-Assisted
	Frigatebird OLAP	2025	Relational	SQL	OLAP
	FrontBase OLTP	1993	Relational	SQL	OLTP
GA	Gamma OLAP Abandoned OLTP	1986	Relational	SQL	OLAP Abandoned OLTP
	GaussDB	2011	Relational	SQL
	Gel OLAP AI-Assisted	2018	Relational	Custom API, SQL, HTTP / REST, Command-line / Shell, GraphQL	OLAP AI-Assisted
	GenieDB Failed Company Hosting Service	2008	Relational	SQL	Failed Company Hosting Service
	GeoSpock DB Failed Company	2013	Relational	SQL	Failed Company
	GlareDB Abandoned Middleware AI-Assisted	2022	Relational	SQL	Abandoned Middleware AI-Assisted
	Goldilocks	2010	Relational	Custom API, SQL
GO	Google F1	2013	Relational	SQL
GR	GRACE Abandoned	1981	Relational	SQL	Abandoned
	Grafeo AI-Assisted	2026	Graph, Triplestore / RDF	Cypher, GraphQL, Gremlin, HTTP / REST, SPARQL, SQL	AI-Assisted
	GreatSQL	2020	Relational	SQL
	Greenplum OLAP Forked Code Acquired Company	2003	Relational	PL/SQL, SQL	OLAP Forked Code Acquired Company
	GreptimeDB Time-Series AI-Assisted	2022	Relational	HTTP / REST, PromQL, SQL	Time-Series AI-Assisted
	GridDB	2011	Key-Value	Custom API, SQL, Command-line / Shell, HTTP / REST
	GridGain Acquired Company	2007	Key-Value	Custom API	Acquired Company
	H2	2004	Relational	SQL
	Hadapt OLAP Acquired Company Middleware	2009	Relational	SQL	OLAP Acquired Company Middleware
	HANA	2010	Column Family / Wide-Column	Custom API, SQL
	HarperDB Serverless NoSQL	2017	Document / XML	SQL	Serverless NoSQL
	HAWQ OLAP Abandoned Middleware	2015	Relational	SQL	OLAP Abandoned Middleware
	HeavyDB Abandoned	2013	Relational	Command-line / Shell, Custom API, RPC, SQL	Abandoned
	Hekaton OLTP	2012	Relational	SQL	OLTP
	HerdDB	2016	Relational	Custom API, SQL, Command-line / Shell
	HexaDB	2023	Relational	SQL
	HFSQL	—	—	SQL
	Hive OLAP AI-Assisted	2010	Relational	SQL	OLAP AI-Assisted
	HoraeDB Time-Series Abandoned	2021	Relational	HTTP / REST, SQL	Time-Series Abandoned
	H-Store NewSQL Abandoned OLTP	2006	Relational	SQL, Stored Procedures	NewSQL Abandoned OLTP
	HStreamDB Abandoned Streaming	2020	Relational	Custom API, SQL	Abandoned Streaming
	Hydra OLAP Abandoned Failed Company	2022	Relational	SQL	OLAP Abandoned Failed Company
	HyPer OLAP Acquired Company OLTP	2010	Relational	SQL, PL/SQL	OLAP Acquired Company OLTP
	HyperSQL	2001	Relational	SQL
	Hyrise OLAP	2009	Relational	SQL, Stored Procedures	OLAP
	Icecoal Abandoned	2020	Relational	SQL	Abandoned
	Ignite	2014	Key-Value	SQL
	Illustra Acquired Company OLTP	1992	Relational	SQL	Acquired Company OLTP
	Impala OLAP AI-Assisted	2013	Relational	Custom API, SQL	OLAP AI-Assisted
	IMS OLTP	1966	Hierarchical	Custom API, HTTP / REST, SQL	OLTP
	InfiniDB OLAP Abandoned Failed Company	2000	Relational	SQL	OLAP Abandoned Failed Company
	InfiniSQL Abandoned OLTP	2013	Relational	SQL	Abandoned OLTP
	Infinity Nearest Neighbor	2022	Relational	Custom API, SQL	Nearest Neighbor
	Infino Query Engine Nearest Neighbor MMAP	—	Relational	SQL	Query Engine Nearest Neighbor MMAP
	InfluxDB Time-Series AI-Assisted	2013	Column Family / Wide-Column	Custom API, SQL, HTTP / REST	Time-Series AI-Assisted
	InfoFrame Abandoned	2013	Relational	SQL	Abandoned
	Ingres Acquired Company	1974	Relational	Custom API, QUEL, SQL, Stored Procedures	Acquired Company
	InMemory.Net	2014	Relational	SQL
	InterBase Versioning Acquired Company	1984	Relational	SQL, Stored Procedures	Versioning Acquired Company
	IoTDB Time-Series AI-Assisted	2017	Hierarchical	Custom API, SQL	Time-Series AI-Assisted
	IQ Acquired Company	1992	Relational	SQL, Stored Procedures	Acquired Company
	ITTIA DB Time-Series OLTP	2000	Relational	SQL	Time-Series OLTP
	JaguarDB Nearest Neighbor	2017	Array / Matrix, Key-Value	Command-line / Shell, Custom API, SQL	Nearest Neighbor
	Jazz AI-Assisted	2026	Relational	SQL	AI-Assisted
	JoinBase Time-Series Abandoned	—	Relational	SQL	Time-Series Abandoned
	Just Logic/SQL OLTP	1994	Relational	SQL	OLTP
	JustOneDB Acquired Company	2010	Relational	SQL	Acquired Company
	KantoDB OLTP	2025	Relational	SQL	OLTP
KA	KarelDB Abandoned	2019	Relational	SQL	Abandoned
	Kdb+ Acquired Company	1998	Relational	HTTP / REST, SQL	Acquired Company
KE	KekeDB	—	Relational	SQL
	Kerf	2014	—	SQL, HTTP / REST
	Kinetica OLAP	2009	Relational	HTTP / REST, SQL	OLAP
	ksqlDB Streaming AI-Assisted	2017	Key-Value, Relational	Custom API, SQL, Command-line / Shell	Streaming AI-Assisted
	Kubl Acquired Company	1994	Relational	SQL	Acquired Company
	Kunlun Abandoned	2019	Relational	SQL	Abandoned
	Kylin	2013	Key-Value	SQL
	Kyuubi Middleware AI-Assisted	2017	Relational	SQL	Middleware AI-Assisted
	lakeql Query Engine AI-Assisted	2026	Relational	SQL	Query Engine AI-Assisted
	LanceDB Search Engine AI-Assisted	2023	Document / XML	Custom API, SQL	Search Engine AI-Assisted
	Lealone	2012	Relational	SQL
	LeanXcale OLAP OLTP	2010	Relational	SQL	OLAP OLTP
	libSQL Forked Code OLTP	2022	Relational	SQL	Forked Code OLTP
	LinDB Abandoned	2019	Column Family / Wide-Column	SQL	Abandoned
	LingoDB OLAP AI-Assisted	2021	Relational	SQL	OLAP AI-Assisted
	Linter	1990	Relational	SQL, Stored Procedures
	LiteDB AI-Assisted	2014	Document / XML	SQL	AI-Assisted
LI	LittleD Abandoned	2014	Relational	SQL	Abandoned
LL	LlamaDB Abandoned	2015	Relational	Command-line / Shell, SQL	Abandoned
	LocalSQL	2001	Relational	SQL
	Lovefield Web Browser Abandoned	2014	Relational	SQL	Web Browser Abandoned
	MammothDB OLAP Acquired Company	2012	Relational	SQL	OLAP Acquired Company
	Manticore Search Search Engine	2017	Relational	HTTP / REST, SQL	Search Engine
	MariaDB AI-Assisted	2009	Relational	Custom API, SQL, Stored Procedures	AI-Assisted
	Materialize Streaming AI-Assisted	2019	Relational	SQL	Streaming AI-Assisted
	Matisse OLTP	1986	Document / XML, Object-Oriented	Custom API, SQL	OLTP
	MatrixOne OLAP OLTP Streaming AI-Assisted	2021	Relational	SQL	OLAP OLTP Streaming AI-Assisted
	MaxDB OLTP	1977	Relational	SQL	OLTP
	Mckoi SQL Database Abandoned Failed Company	1998	Relational	SQL	Abandoned Failed Company
	MemCP OLAP AI-Assisted	2022	Relational	HTTP / REST, SQL	OLAP AI-Assisted
	Mimer SQL	1974	Relational	SQL
MK	mkdb Abandoned	2023	Relational	SQL	Abandoned
	MLDB Acquired Company Abandoned	2015	—	HTTP / REST, SQL	Acquired Company Abandoned
	ModeShape Abandoned	2008	Object-Oriented	Custom API, SQL, HTTP / REST	Abandoned
	MonetDB OLAP MMAP	2002	Column Family / Wide-Column	SQL	OLAP MMAP
	MonographDB	2021	Relational	SQL
	MotherDuck Hosting Service	2022	Relational	Model Context Protocol, SQL	Hosting Service
	mSQL	1994	Relational	SQL
	MyScaleDB OLAP Forked Code Abandoned Failed Company AI-Assisted	2021	Relational	SQL	OLAP Forked Code Abandoned Failed Company AI-Assisted
	MySQL Acquired Company	1994	Relational	SQL	Acquired Company
	Napa	2018	Relational	SQL
	NavDB Abandoned	2017	Key-Value, Relational	Command-line / Shell, Custom API, SQL	Abandoned
	NCache Cache	2015	Key-Value	SQL	Cache
	Neon Serverless Forked Code Acquired Company OLTP	2021	Relational	HTTP / REST, PL/SQL, SQL	Serverless Forked Code Acquired Company OLTP
NE	Neoview Abandoned	2007	Relational	SQL	Abandoned
	Netezza OLAP Acquired Company	1999	Relational	SQL	OLAP Acquired Company
	Netlify Database Serverless Hosting Service	2024	Relational	SQL	Serverless Hosting Service
	NexusDB OLTP	2003	Relational	Custom API, SQL	OLTP
	Nile OLTP	2022	Relational	SQL	OLTP
	NodeDB Multi-Model Nearest Neighbor AI-Assisted	2026	Vector, Graph, Array / Matrix, Document / XML, Relational	SQL, Cypher	Multi-Model Nearest Neighbor AI-Assisted
	NoisePage	2018	Relational	SQL
	NonStop SQL Acquired Company OLTP	1987	Relational	SQL	Acquired Company OLTP
	NuoDB NewSQL Acquired Company	2010	Relational	SQL	NewSQL Acquired Company
	ObsessionDB OLAP Hosting Service	2024	Relational	SQL	OLAP Hosting Service
	OceanBase	2010	Relational	SQL
	Ocelot Failed Company	2001	Relational	SQL	Failed Company
	Ocient	2016	Relational	SQL
	OctoSQL Query Engine Abandoned	2019	Relational	SQL, Command-line / Shell	Query Engine Abandoned
	OneDB	2020	Relational	SQL
	OpenEdge OLTP	1984	Relational	Custom API, SQL	OLTP
	openGemini Time-Series AI-Assisted	2022	Relational	SQL	Time-Series AI-Assisted
OP	open-gpdb OLAP Forked Code	2024	Relational	SQL	OLAP Forked Code
	OpenMLDB	2017	Relational	SQL, HTTP / REST
	Opteryx OLAP Serverless AI-Assisted	2021	Relational	SQL, Command-line / Shell	OLAP Serverless AI-Assisted
	Oracle Multi-Model	1977	Document / XML, Graph, Key-Value, Relational, Triplestore / RDF	SQL	Multi-Model
	OrientDB Multi-Model Acquired Company NoSQL	2010	Document / XML, Graph, Key-Value, Object-Oriented	GraphQL, Gremlin, HTTP / REST, SQL, Stored Procedures	Multi-Model Acquired Company NoSQL
	OrioleDB Acquired Company AI-Assisted	2021	Relational	SQL	Acquired Company AI-Assisted
	OushuDB	2016	Relational	SQL
	OxidSQL Abandoned	2022	Relational	SQL	Abandoned
	Oxla OLAP Acquired Company	2020	Relational	SQL	OLAP Acquired Company
	ParAccel OLAP Acquired Company	2006	Relational	SQL	OLAP Acquired Company
	ParadeDB OLAP Nearest Neighbor Search Engine AI-Assisted	2023	Relational	SQL	OLAP Nearest Neighbor Search Engine AI-Assisted
	Paradox Acquired Company Abandoned	1985	Relational	SQL	Acquired Company Abandoned
	ParStream OLAP Acquired Company Abandoned	2010	Relational	SQL	OLAP Acquired Company Abandoned
	Percona Server Forked Code	2006	Relational	SQL	Forked Code
	Phoenix Middleware AI-Assisted	2014	Relational	SQL	Middleware AI-Assisted
PI	PI Time-Series Acquired Company	1980	Hierarchical, Relational	Custom API, HTTP / REST, SQL	Time-Series Acquired Company
	picoSQL Abandoned	1995	Relational	SQL	Abandoned
	PieCloudDB OLAP	2021	Relational	SQL	OLAP
	Pinot OLAP AI-Assisted	2014	Relational	SQL	OLAP AI-Assisted
	PinusDB Abandoned	2019	Relational	SQL	Abandoned
	PipelineDB Acquired Company Abandoned Streaming	2013	Relational	SQL	Acquired Company Abandoned Streaming
	PlanetScale Forked Code OLTP	2018	Relational	SQL	Forked Code OLTP
	pocketSQL Abandoned	2001	Relational	SQL	Abandoned
	PointBase Acquired Company	1998	Relational	SQL	Acquired Company
	PolarDB	2017	Relational	SQL
	Polyhedra Acquired Company	1994	Relational	Custom API, SQL	Acquired Company
	Polypheny Multi-Model	2017	Document / XML, Graph, Relational	Cypher, HTTP / REST, SQL	Multi-Model
	PosDB OLAP	2017	Relational	Custom API, SQL	OLAP
PR	PranaDB Abandoned	2022	Relational	SQL	Abandoned
	PrestoDB OLAP AI-Assisted	2013	Document / XML, Key-Value, Column Family / Wide-Column, Relational	SQL	OLAP AI-Assisted
	PrimeBase OLTP	1990	Relational	SQL	OLTP
	Proton Streaming AI-Assisted	2021	Relational	SQL	Streaming AI-Assisted
	ProtonBase OLAP	2021	Document / XML, Relational	SQL	OLAP
	PuffinDB Serverless Abandoned	2023	Relational	SQL	Serverless Abandoned
	qikkDB OLAP Abandoned Failed Company	2019	Relational	SQL	OLAP Abandoned Failed Company
	ql AI-Assisted	2013	Relational	SQL	AI-Assisted
	Quadcap Embeddable Database Failed Company	1999	Relational	SQL	Failed Company
	QuestDB Time-Series AI-Assisted	2014	Relational	SQL	Time-Series AI-Assisted
QU	Quickbase Abandoned	1993	Relational	SQL, Stored Procedures	Abandoned
	Quickstep OLAP Abandoned	2013	Relational	SQL	OLAP Abandoned
	Quokka OLAP Abandoned	2021	Relational	SQL	OLAP Abandoned
	RadonDB Abandoned Failed Company	2018	Relational	SQL	Abandoned Failed Company
	RaimaDB Time-Series	1984	Network, Relational	Command-line / Shell, Custom API, PL/SQL, SQL, Stored Procedures	Time-Series
	RainStor Acquired Company	2004	Relational	SQL	Acquired Company
	RamSQL Abandoned	2014	Relational	SQL	Abandoned
	RapidsDB OLAP Middleware	2014	—	SQL	OLAP Middleware
	Rasdaman	1989	Array / Matrix	SQL
	R:BASE Acquired Company	1981	Relational	Command-line / Shell, SQL	Acquired Company
	Rdb/VMS Acquired Company	1984	Relational	SQL	Acquired Company
	ReadySet Cache Middleware AI-Assisted	2020	Relational	SQL	Cache Middleware AI-Assisted
	Reality Acquired Company	1973	Multi-Value, Relational	Custom API, SQL	Acquired Company
	Red Brick OLAP Acquired Company	1990	Relational	SQL	OLAP Acquired Company
	RedDatabase Forked Code	2006	Relational	SQL	Forked Code
	RediSQL Abandoned	2016	Relational	SQL	Abandoned
	RedoxQL	2024	Relational	SQL
	Redshift OLAP Serverless	2012	Relational	PartiQL, SQL	OLAP Serverless
	Regatta OLAP OLTP	2020	Relational	SQL	OLAP OLTP
	RelationalAI	2018	Graph, Relational	Custom API, SQL
	RelationalCloud Abandoned	2010	Relational	SQL	Abandoned
	RexDB Acquired Company	2006	Relational	Custom API, PL/SQL, SQL	Acquired Company
	RisingLight	2021	Relational	SQL
	RisingWave Streaming AI-Assisted	2021	Relational	SQL	Streaming AI-Assisted
	Rockset OLAP Acquired Company	2016	Relational	HTTP / REST, SQL	OLAP Acquired Company
	RonDB OLTP AI-Assisted	2020	Key-Value, Relational	Custom API, HTTP / REST, SQL	OLTP AI-Assisted
	Rosebase Failed Company	1992	Relational	SQL	Failed Company
	rqlite AI-Assisted	2014	Relational	SQL, HTTP / REST	AI-Assisted
	RubatoDB	2014	Key-Value	SQL
	Sadas Engine OLAP	—	Relational	SQL	OLAP
SB	sboxdb	2024	Relational	SQL
	SchemafreeSQL	2012	Document / XML	SQL
	ScimoreDB	2005	Relational	SQL
	ScopeDB	2024	Relational	HTTP / REST, SQL
	ScratchDB OLAP Abandoned Middleware Hosting Service	2023	Document / XML	HTTP / REST, SQL	OLAP Abandoned Middleware Hosting Service
	Scuba	2013	Relational	Custom API, SQL, HTTP / REST
	Seafowl OLAP Acquired Company Abandoned	2022	Relational	SQL	OLAP Acquired Company Abandoned
	SearchBlox Search Engine	2003	Document / XML	SQL, HTTP / REST	Search Engine
	SeekDB AI-Assisted	2025	Relational, Vector	Custom API, SQL	AI-Assisted
	SequoiaDB	2011	Document / XML	SQL, Command-line / Shell, HTTP / REST
	SereneDB OLAP OLTP Search Engine AI-Assisted	2024	Relational	SQL	OLAP OLTP Search Engine AI-Assisted
	ShardingSphere AI-Assisted	2016	Relational	SQL	AI-Assisted
	ShareBase Acquired Company	1979	Relational	SQL	Acquired Company
	shsql	2002	Relational	SQL, Command-line / Shell
	SingleStore OLAP NewSQL Acquired Company OLTP	2011	Document / XML, Key-Value, Multi-Value, Object-Oriented, Relational, Vector	HTTP / REST, PL/SQL, SQL	OLAP NewSQL Acquired Company OLTP
	Siodb Abandoned	2018	Relational	SQL	Abandoned
	Sirius OLAP Query Engine AI-Assisted	2024	Relational	SQL	OLAP Query Engine AI-Assisted
	SKDB OLTP AI-Assisted	2022	Relational	SQL	OLTP AI-Assisted
	SKSQL Abandoned	2021	Relational	SQL	Abandoned
	Skyrise OLAP Serverless Query Engine Abandoned	2019	Relational	SQL	OLAP Serverless Query Engine Abandoned
	SlothDB	2026	Relational	SQL
	Sneller	2022	Document / XML	SQL
	Snowflake OLAP	2013	Document / XML, Relational	SQL	OLAP
	SochDB AI-Assisted	2026	Graph, Relational, Vector	SQL	AI-Assisted
	solidDB Acquired Company OLTP	1992	Relational	Command-line / Shell, Custom API, HTTP / REST, SQL, Stored Procedures	Acquired Company OLTP
	SoloDB Serverless NoSQL	2024	Document / XML	Custom API, SQL	Serverless NoSQL
	SpaceTime	2020	Relational	HTTP / REST, SQL
	SpacetimeDB OLTP AI-Assisted	2023	Relational	Custom API, HTTP / REST, SQL	OLTP AI-Assisted
	SparkleDB OLTP	2013	Graph	SQL	OLTP
	Spark SQL OLAP AI-Assisted	2014	—	Custom API, SQL	OLAP AI-Assisted
	Speedy Abandoned	—	Relational	SQL	Abandoned
	Splice Machine Abandoned Failed Company	2012	Relational	SQL	Abandoned Failed Company
	SQL Anywhere Acquired Company	1992	Relational	SQL	Acquired Company
	SQLBase Acquired Company	1984	Relational	SQL	Acquired Company
SQ	SQL/DS	1981	Relational	SQL
	SQLite OLTP	2000	Relational	Custom API, SQL	OLTP
	SQLite.Cloud OLTP Hosting Service	2020	Relational	SQL	OLTP Hosting Service
	SQL Server	1988	Relational	SQL
	SQream OLAP	2010	Relational	SQL	OLAP
SQ	Squirreling Query Engine Web Browser AI-Assisted	2025	Relational	SQL	Query Engine Web Browser AI-Assisted
	Stardog	2005	Triplestore / RDF	SQL, Datalog
	StarRocks OLAP AI-Assisted	2021	Relational, Column Family / Wide-Column	SQL	OLAP AI-Assisted
	StellarSQL Abandoned	2018	Relational	SQL	Abandoned
	StereoDB Abandoned OLTP	2023	Relational	SQL	Abandoned OLTP
	StoneDB OLAP Failed Company	2022	Relational	SQL	OLAP Failed Company
	Stoolap OLAP OLTP	2025	Relational	SQL	OLAP OLTP
	StormDB Acquired Company	2012	Relational	SQL	Acquired Company
	Supabase OLTP AI-Assisted Hosting Service	2020	—	SQL, HTTP / REST, GraphQL	OLTP AI-Assisted Hosting Service
	Supra Server SQL Acquired Company OLTP	1989	Relational	Custom API, SQL	Acquired Company OLTP
	SurrealDB Serverless Multi-Model AI-Assisted	2016	Document / XML, Graph, Relational	Custom API, HTTP / REST, RPC, SQL	Serverless Multi-Model AI-Assisted
	Swarm64 OLAP Acquired Company	2013	Relational	SQL	OLAP Acquired Company
	SWC-DB Abandoned	2019	Column Family / Wide-Column, Key-Value	Command-line / Shell, Custom API, SQL	Abandoned
	SwellDB	2025	Relational	SQL
	SynapCores Multi-Model Nearest Neighbor	2026	Graph, Relational, Vector	Cypher, Model Context Protocol, SQL	Multi-Model Nearest Neighbor
SY	System R OLTP	1972	Relational	SQL	OLTP
	TabDB Parody / Joke Abandoned	2019	Relational	SQL	Parody / Joke Abandoned
	Tablespace	2024	—	SQL
	Tajo OLAP Abandoned	2012	Relational	Custom API, SQL, Command-line / Shell	OLAP Abandoned
	Tanzu GemFire Cache Acquired Company NoSQL	2002	Key-Value	Command-line / Shell, Custom API, SQL	Cache Acquired Company NoSQL
	TDengine Time-Series AI-Assisted	2017	Relational	Custom API, HTTP / REST, SQL, Command-line / Shell	Time-Series AI-Assisted
	TensorBase OLAP Abandoned Failed Company	2020	Relational	SQL	OLAP Abandoned Failed Company
TE	Tera Abandoned	2014	Column Family / Wide-Column	SQL	Abandoned
	Tesora Acquired Company Middleware	2010	Relational	SQL	Acquired Company Middleware
	ThinkSQL Abandoned	2000	Relational	SQL	Abandoned
	Tibero OLTP	2003	Relational	Custom API, PL/SQL, SQL	OLTP
	TiDB NewSQL AI-Assisted	2015	Key-Value	SQL	NewSQL AI-Assisted
	TileDB NoSQL	2014	Array / Matrix	Custom API, SQL	NoSQL
	TimescaleDB Time-Series AI-Assisted	2017	Relational	SQL, PL/SQL, PromQL	Time-Series AI-Assisted
	TimesTen Acquired Company OLTP	1996	Relational	SQL	Acquired Company OLTP
	Timestream	2018	Relational	SQL
	TinyDB Query Engine Peer-to-Peer	1999	Relational	SQL	Query Engine Peer-to-Peer
TI	tinySQL xBase Abandoned	2003	Relational	Command-line / Shell, SQL	xBase Abandoned
	toyDB	2019	Relational	SQL
	Trafodion Abandoned	2014	Column Family / Wide-Column	SQL	Abandoned
	Transbase OLTP	1987	Relational	SQL	OLTP
	TransLattice NewSQL Failed Company	2007	Relational	SQL	NewSQL Failed Company
	Trino AI-Assisted	2019	—	SQL	AI-Assisted
	Truviso Acquired Company Streaming	2006	Relational	SQL	Acquired Company Streaming
	ts-sql Abandoned	2020	Relational	SQL	Abandoned
	Turso OLTP AI-Assisted	2023	Relational	SQL	OLTP AI-Assisted
	Umbra OLAP OLTP	2018	Array / Matrix, Relational	SQL	OLAP OLTP
	upscaledb OLAP Abandoned	2007	Key-Value	Custom API, SQL	OLAP Abandoned
	Valentina Database OLTP	1998	Relational	SQL	OLTP
	VanillaDB Abandoned	2016	Multi-Value	Custom API, SQL, Stored Procedures	Abandoned
VE	vecdb Nearest Neighbor Search Engine MMAP	2026	Document / XML, Vector	Command-line / Shell, SQL	Nearest Neighbor Search Engine MMAP
	Vector OLAP Acquired Company	2009	Relational	SQL	OLAP Acquired Company
	VectorSQL OLAP Abandoned	2020	Relational	SQL	OLAP Abandoned
	Vertica OLAP Forked Code Acquired Company	2005	Relational	Custom API, SQL	OLAP Forked Code Acquired Company
	Vespa Search Engine AI-Assisted	1997	Document / XML	Custom API, SQL	Search Engine AI-Assisted
	VillageSQL Forked Code OLTP Revival Project AI-Assisted	2025	Relational	SQL	Forked Code OLTP Revival Project AI-Assisted
	Virtuoso	1998	Relational	Custom API, SQL, HTTP / REST
	VistaDB	2009	—	SQL
	Visual FoxPro xBase	1992	Relational	SQL	xBase
	Vitess Middleware AI-Assisted	2011	Relational	SQL	Middleware AI-Assisted
	ViyaDB OLAP Abandoned	2017	Relational	HTTP / REST, SQL	OLAP Abandoned
	VoltDB NewSQL	2009	Relational	SQL, Stored Procedures	NewSQL
VS	vsql Abandoned	2021	Relational	SQL	Abandoned
	WarehousePG Forked Code AI-Assisted	2025	Relational	SQL	Forked Code AI-Assisted
	WebScaleSQL Forked Code Abandoned	2014	Relational	SQL	Forked Code Abandoned
	WonderDB Abandoned OLTP	2013	Relational	SQL	Abandoned OLTP
	XAP NoSQL	2000	Document / XML	Custom API, SQL	NoSQL
	Xata Forked Code AI-Assisted	2020	Relational	HTTP / REST, SQL, Command-line / Shell	Forked Code AI-Assisted
XD	XDB Enterprise Server Acquired Company	1998	Relational	SQL	Acquired Company
	Xeround Failed Company Hosting Service	2005	Relational	SQL	Failed Company Hosting Service
	XTDB AI-Assisted	2018	Document / XML	SQL, Datalog	AI-Assisted
	XtremeData OLAP	2003	Relational	SQL	OLAP
	YARD-SQL Failed Company	1996	Relational	SQL	Failed Company
	YDB NewSQL OLTP AI-Assisted	2014	Relational	RPC, HTTP / REST, SQL	NewSQL OLTP AI-Assisted
	Yellowbrick OLAP	2014	Relational	SQL	OLAP
	YouTrackDB Forked Code AI-Assisted	2024	Graph	Custom API, SQL, Gremlin	Forked Code AI-Assisted
	YTsaurus AI-Assisted	2010	Key-Value	Command-line / Shell, Custom API, SQL	AI-Assisted
	zeeSQL Cache OLTP	2021	Relational	SQL	Cache OLTP
	ZeptoDB Time-Series AI-Assisted	2026	—	Custom API, HTTP / REST, SQL	Time-Series AI-Assisted