192 Systems Found

Databases with B+Tree Indexes

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	4D	1984	Relational	B+Tree, Inverted Index (Full Text)
	4store Abandoned	2009	Triplestore / RDF	B+Tree	Abandoned
	Access	1992	Relational	B+Tree
	ActorDB Abandoned	2014	Relational	B+Tree	Abandoned
	Adaptive Server Enterprise Acquired Company	1987	Relational	B+Tree	Acquired Company
	Aerospike NoSQL AI-Assisted	2009	Document / XML, Key-Value, Vector	B+Tree, Hash Table, Red-Black Tree	NoSQL AI-Assisted
	AgensGraph Forked Code Multi-Model Acquired Company	2013	Document / XML, Graph, Key-Value, Relational	B+Tree, Hash Table	Forked Code Multi-Model Acquired Company
	Akumuli Time-Series Abandoned	2013	Relational	B+Tree	Time-Series Abandoned
	AllegroGraph	2004	Triplestore / RDF	B+Tree, Inverted Index (Full Text)
	AlloyDB OLAP Forked Code OLTP	2022	Relational	Block Range Index (BRIN), Bw-Tree, Hash Table, Inverted Index (Full Text)	OLAP Forked Code OLTP
	Altibase OLTP	1999	Relational	B+Tree, R-Tree	OLTP
	ArcadeDB Forked Code AI-Assisted	2021	Document / XML, Graph, Key-Value, Relational	B+Tree, Hash Table, Inverted Index (Full Text)	Forked Code AI-Assisted
	AriaSQL Abandoned	2024	Relational	B+Tree	Abandoned
	AsterixDB OLAP AI-Assisted	2009	Document / XML	B+Tree, Inverted Index (Full Text), Log-Structured Merge Tree, R-Tree	OLAP AI-Assisted
	Aurora	2014	Relational	B+Tree, Hash Table
	Azure HorizonDB Forked Code	2026	Relational	B+Tree, Hash Table, Inverted Index (Full Text), Block Range Index (BRIN)	Forked Code
	Azure SQL Database Hosting Service	2009	Relational	B+Tree, Hash Table	Hosting Service
BB	bbolt Forked Code Revival Project	2017	Key-Value	B+Tree	Forked Code Revival Project
	Bedrock Blockchain OLTP AI-Assisted	2016	Relational	R-Tree, B+Tree	Blockchain OLTP AI-Assisted
	Berkeley DB Acquired Company OLTP DBM	1994	Document / XML, Key-Value	B+Tree, Hash Table	Acquired Company OLTP DBM
	BigchainDB Abandoned Blockchain	2015	Document / XML, Key-Value	Skip List, B+Tree, Log-Structured Merge Tree	Abandoned Blockchain
	Blazegraph Acquired Company Abandoned	2006	Graph, Triplestore / RDF	B+Tree	Acquired Company Abandoned
	BoltDB Abandoned	2013	Key-Value	B+Tree	Abandoned
	BuntDB OLTP	2016	Key-Value	B+Tree, R-Tree	OLTP
	BusTub	2019	Relational	B+Tree
	CedarDB OLAP Forked Code OLTP	2023	Relational, Array / Matrix	Adaptive Radix Tree (ART)	OLAP Forked Code OLTP
	Cheetah xBase	2005	Relational	B+Tree	xBase
	ClearDB Acquired Company	2010	Relational	B+Tree, Hash Table, R-Tree	Acquired Company
	Cloudant Acquired Company OLTP NoSQL	2008	Document / XML	B+Tree	Acquired Company OLTP NoSQL
	Cloud Datastore NoSQL	2013	Document / XML	B+Tree	NoSQL
	Cloud SQL Hosting Service	2012	Relational	B+Tree	Hosting Service
	CompleteDB Abandoned OLTP	2012	Relational	B+Tree	Abandoned OLTP
	Couchbase NoSQL	2010	Key-Value, Document / XML	Skip List, B+Tree, Hash Table, Inverted Index (Full Text)	NoSQL
	CouchDB NoSQL	2005	Document / XML	B+Tree	NoSQL
	CovenantSQL Abandoned Blockchain	2018	Relational	B+Tree	Abandoned Blockchain
CQ	CQL++ Failed Company	1994	Relational	B+Tree	Failed Company
	C-Store Abandoned	2005	Relational	BitMap, B+Tree	Abandoned
	Cubrid AI-Assisted	2008	Relational	B+Tree	AI-Assisted
	DataEase Acquired Company OLTP	1981	Relational	B+Tree	Acquired Company OLTP
	Datomic Acquired Company	2012	Key-Value	B+Tree	Acquired Company
	Db2	1983	Document / XML, Relational	B+Tree
	Derby Acquired Company Abandoned OLTP	1997	Relational	B+Tree	Acquired Company Abandoned OLTP
DI	discodb Parody / Joke	2026	Relational	B+Tree	Parody / Joke
	Dolt Versioning AI-Assisted	2018	Relational	B+Tree	Versioning AI-Assisted
	Druid OLAP AI-Assisted	2011	Column Family / Wide-Column	B+Tree	OLAP AI-Assisted
	EchoDB Abandoned	2021	Key-Value	B+Tree	Abandoned
	EsgynDB Failed Company	2015	Relational	B+Tree	Failed Company
	etcd Acquired Company	2013	Key-Value	B+Tree	Acquired Company
	Exasol OLAP	2000	Relational	B+Tree	OLAP
	eXtremeDB Cache Time-Series OLTP Middleware	2001	Key-Value, Entity-Relationship, Relational, Column Family / Wide-Column	K-D Tree, Patricia/Radix Trie, B+Tree, R-Tree, T-Tree, Hash Table	Cache Time-Series OLTP Middleware
	FairCom DB	1984	—	B+Tree
	FaunaDB Serverless Failed Company	2012	Document / XML, Graph, Key-Value, Relational	B+Tree, Hash Table	Serverless Failed Company
	FeatureBase Abandoned Search Engine	2017	Relational	B+Tree, BitMap	Abandoned Search Engine
FE	Ferrite OLTP	2024	Relational	B+Tree	OLTP
	FineDB Abandoned NoSQL	2013	Key-Value	B+Tree	Abandoned NoSQL
	Firebird AI-Assisted	2000	Relational	B+Tree	AI-Assisted
	FirstSQL/J Failed Company	2001	Relational	BitMap, B+Tree	Failed Company
FO	ForestDB Abandoned	2013	Key-Value	B+Tree, Patricia/Radix Trie, Log-Structured Merge Tree	Abandoned
	FrontBase OLTP	1993	Relational	B+Tree	OLTP
	Gel OLAP AI-Assisted	2018	Relational	Block Range Index (BRIN), B+Tree, Hash Table, Inverted Index (Full Text)	OLAP AI-Assisted
	Goldilocks	2010	Relational	B+Tree
GO	Google F1	2013	Relational	B+Tree
	GrapheneDB Hosting Service	2012	Graph	B+Tree, Inverted Index (Full Text)	Hosting Service
	GreatSQL	2020	Relational	B+Tree
	Greenplum OLAP Forked Code Acquired Company	2003	Relational	BitMap, B+Tree	OLAP Forked Code Acquired Company
	GridDB	2011	Key-Value	B+Tree, Hash Table
	GridGain Acquired Company	2007	Key-Value	B+Tree	Acquired Company
	H2	2004	Relational	B+Tree, Hash Table, AVL-Tree
	HailDB Abandoned	2010	Key-Value	B+Tree	Abandoned
	HANA	2010	Column Family / Wide-Column	B+Tree, Hash Table, Inverted Index (Full Text)
HA	HaystackDB Abandoned Nearest Neighbor MMAP	2024	Vector	B+Tree	Abandoned Nearest Neighbor MMAP
	HBase NoSQL	2007	Column Family / Wide-Column	B+Tree	NoSQL
HE	HelinDB Abandoned	2021	Key-Value	B+Tree	Abandoned
	HerdDB	2016	Relational	Block Range Index (BRIN), B+Tree
HO	HorizonDB Geospatial	2025	Document / XML	B+Tree	Geospatial
	H-Store NewSQL Abandoned OLTP	2006	Relational	B+Tree	NewSQL Abandoned OLTP
	HyperGraphDB Abandoned	2007	Graph	B+Tree	Abandoned
	HyperSQL	2001	Relational	B+Tree
	Ignite	2014	Key-Value	B+Tree
	Illustra Acquired Company OLTP	1992	Relational	B+Tree	Acquired Company OLTP
	Infinity Nearest Neighbor	2022	Relational	B+Tree, Hierarchical Navigable Small World (HNSW), Inverted Index (Full Text)	Nearest Neighbor
	InfinityDB	2002	Key-Value, Graph, Array / Matrix, Hierarchical, Relational	B+Tree
	Ingres Acquired Company	1974	Relational	B+Tree, Hash Table, R-Tree	Acquired Company
	InterBase Versioning Acquired Company	1984	Relational	B+Tree	Versioning Acquired Company
	IQ Acquired Company	1992	Relational	BitMap, B+Tree	Acquired Company
	ITTIA DB Time-Series OLTP	2000	Relational	B+Tree	Time-Series OLTP
	JaguarDB Nearest Neighbor	2017	Array / Matrix, Key-Value	B+Tree	Nearest Neighbor
	Just Logic/SQL OLTP	1994	Relational	B+Tree	OLTP
	Kdb+ Acquired Company	1998	Relational	B+Tree	Acquired Company
KE	KekeDB	—	Relational	B+Tree
	Kinetica OLAP	2009	Relational	B+Tree, Hash Table	OLAP
KV	KVDB NoSQL	2026	Key-Value	B+Tree	NoSQL
	Kyoto Cabinet DBM	2009	Key-Value	B+Tree, Hash Table	DBM
	LeanStore OLTP	2018	Key-Value	B+Tree	OLTP
	LeanXcale OLAP OLTP	2010	Relational	B+Tree	OLAP OLTP
LI	libmdbx Forked Code MMAP	2015	Key-Value	B+Tree	Forked Code MMAP
	libSQL Forked Code OLTP	2022	Relational	B+Tree	Forked Code OLTP
	Linter	1990	Relational	B+Tree
LL	LlamaDB Abandoned	2015	Relational	B+Tree	Abandoned
	LMDB MMAP DBM AI-Assisted	2011	Key-Value	B+Tree	MMAP DBM AI-Assisted
	LocalSQL	2001	Relational	B+Tree
	LotusDB Abandoned OLTP	2021	Key-Value	B+Tree, Hash Table	Abandoned OLTP
	LucidDB OLAP Abandoned	2004	Relational	B+Tree, BitMap	OLAP Abandoned
	MariaDB AI-Assisted	2009	Relational	B+Tree, Hash Table	AI-Assisted
	MaxDB OLTP	1977	Relational	B+Tree	OLTP
MK	mkdb Abandoned	2023	Relational	B+Tree	Abandoned
	MongoDB NoSQL AI-Assisted	2009	Document / XML	B+Tree	NoSQL AI-Assisted
	Multigres Middleware AI-Assisted	2025	Relational	B+Tree, Hash Table, Inverted Index (Full Text), Block Range Index (BRIN)	Middleware AI-Assisted
	MySQL Acquired Company	1994	Relational	R-Tree, B+Tree, Inverted Index (Full Text)	Acquired Company
	NarayanaDB OLAP AI-Assisted	2025	Relational	B+Tree, Hash Table, Hierarchical Navigable Small World (HNSW)	OLAP AI-Assisted
	NDatabase	—	Object-Oriented	B+Tree
	Neo4j NoSQL AI-Assisted	2007	Graph	B+Tree, Inverted Index (Full Text)	NoSQL AI-Assisted
	Neon Serverless Forked Code Acquired Company OLTP	2021	Relational	B+Tree	Serverless Forked Code Acquired Company OLTP
NE	Neoview Abandoned	2007	Relational	B+Tree	Abandoned
	Neptune	2018	Graph, Triplestore / RDF	B+Tree
	Netlify Database Serverless Hosting Service	2024	Relational	B+Tree	Serverless Hosting Service
	NexusDB OLTP	2003	Relational	B+Tree	OLTP
	NoisePage	2018	Relational	B+Tree, Hash Table
	NonStop SQL Acquired Company OLTP	1987	Relational	B+Tree	Acquired Company OLTP
	NuoDB NewSQL Acquired Company	2010	Relational	B+Tree	NewSQL Acquired Company
	NutsDB AI-Assisted	2018	Key-Value	B+Tree	AI-Assisted
	ObjectBox Time-Series Nearest Neighbor MMAP Mobile NoSQL	2016	Object-Oriented	B+Tree	Time-Series Nearest Neighbor MMAP Mobile NoSQL
	ObjectDatabase++	2003	Object-Oriented	B+Tree, Inverted Index (Full Text), R-Tree
	OceanBase	2010	Relational	B+Tree
	OpenEdge OLTP	1984	Relational	B+Tree	OLTP
OP	open-gpdb OLAP Forked Code	2024	Relational	BitMap, B+Tree, Hash Table	OLAP Forked Code
	Oracle RDBMS	1977	Key-Value, Graph, Triplestore / RDF, Document / XML, Relational	B+Tree, BitMap
	OrientDB Multi-Model Acquired Company NoSQL	2010	Document / XML, Graph, Key-Value, Object-Oriented	B+Tree, Hash Table, Inverted Index (Full Text)	Multi-Model Acquired Company NoSQL
	Percona Server Forked Code	2006	Relational	B+Tree, R-Tree, Inverted Index (Full Text)	Forked Code
PN	PNUTS Abandoned OLTP NoSQL	2008	Key-Value	B+Tree	Abandoned OLTP NoSQL
	pocketSQL Abandoned	2001	Relational	B+Tree	Abandoned
	PolarDB	2017	Relational	B+Tree
	PostgreSQL OLTP	1986	Relational	Block Range Index (BRIN), B+Tree, Hash Table, Inverted Index (Full Text)	OLTP
	PouchDB Web Browser NoSQL	2010	Document / XML	B+Tree	Web Browser NoSQL
	PrimeBase OLTP	1990	Relational	B+Tree, Inverted Index (Full Text)	OLTP
	RaimaDB Time-Series	1984	Network, Relational	AVL-Tree, B+Tree, Hash Table, R-Tree	Time-Series
	RaptorDB Forked Code	2024	Relational	B+Tree, Hash Table, Inverted Index (Full Text), Block Range Index (BRIN)	Forked Code
	RavenDB MMAP NoSQL AI-Assisted	2009	Document / XML, Key-Value	B+Tree, Inverted Index (Full Text)	MMAP NoSQL AI-Assisted
	Rdb/VMS Acquired Company	1984	Relational	B+Tree	Acquired Company
	Realm Acquired Company Abandoned Mobile	2011	Object-Oriented	B+Tree	Acquired Company Abandoned Mobile
	redb OLTP AI-Assisted	2018	Key-Value	B+Tree	OLTP AI-Assisted
	RedDatabase Forked Code	2006	Relational	B+Tree	Forked Code
	RethinkDB Failed Company NoSQL	2009	Document / XML	B+Tree	Failed Company NoSQL
	RexDB Acquired Company	2006	Relational	B+Tree, Hash Table, Inverted Index (Full Text)	Acquired Company
	rqlite AI-Assisted	2014	Relational	B+Tree	AI-Assisted
	RubatoDB	2014	Key-Value	B+Tree
	SchoonerSQL Acquired Company OLTP	2007	Relational	B+Tree	Acquired Company OLTP
	Sedna Abandoned	2003	Document / XML	B+Tree	Abandoned
	SeekDB AI-Assisted	2025	Relational, Vector	B+Tree, Hierarchical Navigable Small World (HNSW), Inverted Index (Full Text), R-Tree	AI-Assisted
	SequoiaDB	2011	Document / XML	B+Tree
SH	Shore Abandoned OLTP	1995	Object-Oriented	B+Tree, Hash Table	Abandoned OLTP
SH	Shore-MT Forked Code OLTP	2007	Object-Oriented	B+Tree, Hash Table	Forked Code OLTP
	solidDB Acquired Company OLTP	1992	Relational	B+Tree, Hierarchical Navigable Small World (HNSW), Patricia/Radix Trie	Acquired Company OLTP
	SoloDB Serverless NoSQL	2024	Document / XML	B+Tree	Serverless NoSQL
	Sparksee	2006	Graph, Object-Oriented	B+Tree, BitMap
	SQLite OLTP	2000	Relational	B+Tree	OLTP
	SQL Server	1988	Relational	B+Tree, Hash Table
	Stoolap OLAP OLTP	2025	Relational	B+Tree	OLAP OLTP
	Supra Server SQL Acquired Company OLTP	1989	Relational	B+Tree	Acquired Company OLTP
	Swarm64 OLAP Acquired Company	2013	Relational	B+Tree, Hash Table, Inverted Index (Full Text), Block Range Index (BRIN)	OLAP Acquired Company
SY	System R OLTP	1972	Relational	B+Tree	OLTP
	TabDB Parody / Joke Abandoned	2019	Relational	B+Tree	Parody / Joke Abandoned
	Tarantool	2008	Key-Value	R-Tree, B+Tree, Hash Table, BitMap
	TDSQL	2012	Key-Value, Document / XML, Relational	B+Tree
	Tibero OLTP	2003	Relational	BitMap, B+Tree	OLTP
	TimescaleDB Time-Series AI-Assisted	2017	Relational	B+Tree, Hash Table, BitMap	Time-Series AI-Assisted
	TimesTen Acquired Company OLTP	1996	Relational	B+Tree, Hash Table, BitMap, T-Tree	Acquired Company OLTP
	TingoDB Abandoned	2013	Document / XML	B+Tree	Abandoned
	Tkrzw Abandoned DBM	2020	Key-Value	B+Tree, Skip List, Hash Table	Abandoned DBM
	Tokyo Cabinet DBM	2006	Key-Value	B+Tree, Hash Table, Inverted Index (Full Text)	DBM
	Transbase OLTP	1987	Relational	BitMap, B+Tree	OLTP
	TransLattice NewSQL Failed Company	2007	Relational	B+Tree, Hash Table, Inverted Index (Full Text), Block Range Index (BRIN)	NewSQL Failed Company
	Typhon MMAP AI-Assisted	2015	Object-Oriented	B+Tree	MMAP AI-Assisted
	Umbra OLAP OLTP	2018	Array / Matrix, Relational	B+Tree	OLAP OLTP
	upscaledb OLAP Abandoned	2007	Key-Value	B+Tree	OLAP Abandoned
	Valentina Database OLTP	1998	Relational	B+Tree	OLTP
	Valkey Cache Forked Code NoSQL AI-Assisted	2024	Key-Value	B+Tree	Cache Forked Code NoSQL AI-Assisted
	VanillaDB Abandoned	2016	Multi-Value	B+Tree, Hash Table	Abandoned
	Vector OLAP Acquired Company	2009	Relational	B+Tree, Hash Table	OLAP Acquired Company
	VillageSQL Forked Code OLTP Revival Project AI-Assisted	2025	Relational	B+Tree, R-Tree, Inverted Index (Full Text)	Forked Code OLTP Revival Project AI-Assisted
	Vitess Middleware AI-Assisted	2011	Relational	B+Tree, R-Tree, Inverted Index (Full Text)	Middleware AI-Assisted
	voidDB OLTP MMAP	2024	Key-Value	B+Tree	OLTP MMAP
	VoltDB NewSQL	2009	Relational	B+Tree, Hash Table	NewSQL
	WarehousePG Forked Code AI-Assisted	2025	Relational	BitMap, B+Tree, R-Tree	Forked Code AI-Assisted
	WebScaleSQL Forked Code Abandoned	2014	Relational	B+Tree, Hash Table, Inverted Index (Full Text)	Forked Code Abandoned
	WiredTiger Acquired Company AI-Assisted	2008	Key-Value	B+Tree, Log-Structured Merge Tree	Acquired Company AI-Assisted
	WonderDB Abandoned OLTP	2013	Relational	B+Tree, Hash Table	Abandoned OLTP
	Xata Forked Code AI-Assisted	2020	Relational	B+Tree	Forked Code AI-Assisted
	XTDB AI-Assisted	2018	Document / XML	B+Tree, Hash Table	AI-Assisted
	YARD-SQL Failed Company	1996	Relational	B+Tree	Failed Company
	zeeSQL Cache OLTP	2021	Relational	B+Tree, Inverted Index (Full Text)	Cache OLTP
	ZODB	2002	Object-Oriented	B+Tree