105 Systems Found

Databases with Hash Table Indexes

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	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
	AlaSQL AI-Assisted	2014	Document / XML, Relational	Hash Table	AI-Assisted
	AlloyDB OLAP Forked Code OLTP	2022	Relational	Block Range Index (BRIN), Bw-Tree, Hash Table, Inverted Index (Full Text)	OLAP Forked Code OLTP
	ArangoDB Multi-Model AI-Assisted	2011	Document / XML, Graph, Key-Value	Skip List, Hash Table, Inverted Index (Full Text)	Multi-Model AI-Assisted
	ArcadeDB Forked Code AI-Assisted	2021	Document / XML, Graph, Key-Value, Relational	B+Tree, Hash Table, Inverted Index (Full Text)	Forked Code AI-Assisted
	AresDB OLAP Abandoned	2018	Relational	Hash Table	OLAP Abandoned
	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
	Berkeley DB Acquired Company OLTP DBM	1994	Document / XML, Key-Value	B+Tree, Hash Table	Acquired Company OLTP DBM
	Blueflood Time-Series Abandoned	2013	Column Family / Wide-Column	Hash Table	Time-Series Abandoned
	Cachegrand Cache Abandoned	2018	Key-Value	Hash Table	Cache Abandoned
	CaskDB Abandoned	2022	Key-Value	Hash Table	Abandoned
	Cassandra NoSQL AI-Assisted	2008	Key-Value, Column Family / Wide-Column	Skip List, Hash Table, BitMap	NoSQL AI-Assisted
CD	cdb Immutable	1996	Key-Value	Hash Table	Immutable
	ClearDB Acquired Company	2010	Relational	B+Tree, Hash Table, R-Tree	Acquired Company
	Couchbase NoSQL	2010	Key-Value, Document / XML	Skip List, B+Tree, Hash Table, Inverted Index (Full Text)	NoSQL
	Cubrick	2016	Column Family / Wide-Column	Hash Table
	CursusDB Abandoned NoSQL	2023	Document / XML	Hash Table	Abandoned NoSQL
	Datahike AI-Assisted	2018	Key-Value	Hash Table	AI-Assisted
	DataScript	2014	Key-Value	Hash Table
	DBx1000 Abandoned	2014	Relational	Hash Table	Abandoned
	Delta Lake AI-Assisted	2019	Column Family / Wide-Column	Hash Table	AI-Assisted
	Elasticsearch Search Engine NoSQL AI-Assisted	2004	Document / XML	Hash Table	Search Engine NoSQL AI-Assisted
	Espresso	2011	Document / XML	Hash Table, Inverted Index (Full Text)
	evitaDB AI-Assisted	2020	Document / XML	Hash Table, BitMap	AI-Assisted
	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
	FaunaDB Serverless Failed Company	2012	Document / XML, Graph, Key-Value, Relational	B+Tree, Hash Table	Serverless Failed Company
	GDBM DBM	1990	Key-Value	Hash Table	DBM
	Gel OLAP AI-Assisted	2018	Relational	Block Range Index (BRIN), B+Tree, Hash Table, Inverted Index (Full Text)	OLAP AI-Assisted
	Geode Cache Forked Code OLTP NoSQL	2015	Key-Value	Hash Table	Cache Forked Code OLTP NoSQL
	GraphDB	2000	Triplestore / RDF	Hash Table, Patricia/Radix Trie
	GrapheekDB Abandoned	2014	Key-Value, Graph	Hash Table	Abandoned
	GridDB	2011	Key-Value	B+Tree, Hash Table
	H2	2004	Relational	B+Tree, Hash Table, AVL-Tree
HA	HaloDB Abandoned	2017	Key-Value	Hash Table	Abandoned
HA	HaloDB Revive Forked Code Revival Project	2017	Key-Value	Hash Table	Forked Code Revival Project
	HANA	2010	Column Family / Wide-Column	B+Tree, Hash Table, Inverted Index (Full Text)
	Hekaton OLTP	2012	Relational	Bw-Tree, Hash Table	OLTP
HY	HydrAIDE AI-Assisted	2025	Key-Value	Hash Table	AI-Assisted
	HyperDex Abandoned NoSQL	2011	Key-Value	Hash Table	Abandoned NoSQL
	Ingres Acquired Company	1974	Relational	B+Tree, Hash Table, R-Tree	Acquired Company
	KairosDB Time-Series	2013	Relational	Skip List, Hash Table, BitMap	Time-Series
	Kinetica OLAP	2009	Relational	B+Tree, Hash Table	OLAP
KR	Krati Abandoned OLTP NoSQL	2010	Key-Value	Hash Table	Abandoned OLTP NoSQL
	Kyoto Cabinet DBM	2009	Key-Value	B+Tree, Hash Table	DBM
	LesbianDB Abandoned	2022	Document / XML	Hash Table	Abandoned
	LotusDB Abandoned OLTP	2021	Key-Value	B+Tree, Hash Table	Abandoned OLTP
	Magma	2002	Object-Oriented	Hash Table
	MariaDB AI-Assisted	2009	Relational	B+Tree, Hash Table	AI-Assisted
	Materialize Streaming AI-Assisted	2019	Relational	Hash Table	Streaming AI-Assisted
MC	mcdb Abandoned Immutable MMAP	2010	Key-Value	Hash Table	Abandoned Immutable MMAP
	Memcached Cache	2003	Key-Value	Hash Table	Cache
	MonetDB OLAP MMAP	2002	Column Family / Wide-Column	Hash Table	OLAP MMAP
	Multigres Middleware AI-Assisted	2025	Relational	B+Tree, Hash Table, Inverted Index (Full Text), Block Range Index (BRIN)	Middleware AI-Assisted
	NarayanaDB OLAP AI-Assisted	2025	Relational	B+Tree, Hash Table, Hierarchical Navigable Small World (HNSW)	OLAP AI-Assisted
	NoisePage	2018	Relational	B+Tree, Hash Table
	NunDB	2018	Object-Oriented	Hash Table
OP	open-gpdb OLAP Forked Code	2024	Relational	BitMap, B+Tree, Hash Table	OLAP Forked Code
	OpenSearch Forked Code Search Engine AI-Assisted	2021	Document / XML	Inverted Index (Full Text), Hierarchical Navigable Small World (HNSW)	Forked Code Search Engine AI-Assisted
	OrbitDB Peer-to-Peer	2015	Document / XML, Key-Value	Hash Table	Peer-to-Peer
	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
	OrigoDB Abandoned	2011	Key-Value, Graph, Object-Oriented, Document / XML, Relational	Hash Table, Red-Black Tree	Abandoned
	Paper Abandoned NoSQL	2015	Key-Value, Object-Oriented	Hash Table	Abandoned NoSQL
	Pika AI-Assisted	2014	Key-Value	Hash Table	AI-Assisted
	Pogreb MMAP	2018	Key-Value	Hash Table	MMAP
	PostgreSQL OLTP	1986	Relational	Block Range Index (BRIN), B+Tree, Hash Table, Inverted Index (Full Text)	OLTP
	PupDB Abandoned	2019	Key-Value	Hash Table	Abandoned
	QLDB Abandoned Blockchain	2018	Document / XML	Hash Table	Abandoned Blockchain
	QuestDB Time-Series AI-Assisted	2014	Relational	Hash Table	Time-Series AI-Assisted
	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
	Reality Acquired Company	1973	Multi-Value, Relational	Hash Table	Acquired Company
	Redis Cache OLTP AI-Assisted	2009	Key-Value	Hash Table	Cache OLTP AI-Assisted
	RexDB Acquired Company	2006	Relational	B+Tree, Hash Table, Inverted Index (Full Text)	Acquired Company
	RonDB OLTP AI-Assisted	2020	Key-Value, Relational	Hash Table, T-Tree	OLTP AI-Assisted
	Scylla NoSQL AI-Assisted	2014	Key-Value, Column Family / Wide-Column	Hash Table	NoSQL AI-Assisted
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
	SimpleDB NoSQL	2007	Key-Value	Hash Table	NoSQL
	SingleStore OLAP NewSQL Acquired Company OLTP	2011	Document / XML, Key-Value, Multi-Value, Object-Oriented, Relational, Vector	Hash Table, Skip List	OLAP NewSQL Acquired Company OLTP
SP	Sparkey Abandoned Immutable	2013	Key-Value	Hash Table	Abandoned Immutable
	SQL Server	1988	Relational	B+Tree, Hash Table
	Swarm64 OLAP Acquired Company	2013	Relational	B+Tree, Hash Table, Inverted Index (Full Text), Block Range Index (BRIN)	OLAP Acquired Company
	Tarantool	2008	Key-Value	R-Tree, B+Tree, Hash Table, BitMap
	Teradata	1979	Document / XML, Graph, Relational	Hash Table
	TieredMemDB Cache Forked Code Abandoned NoSQL	2020	Key-Value	Hash Table	Cache Forked Code Abandoned NoSQL
	TimescaleDB Time-Series AI-Assisted	2017	Relational	B+Tree, Hash Table, BitMap	Time-Series AI-Assisted
	TimesTen Acquired Company OLTP	1996	Relational	BitMap, B+Tree, Hash Table, T-Tree	Acquired Company OLTP
	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
	TransLattice NewSQL Failed Company	2007	Relational	B+Tree, Hash Table, Inverted Index (Full Text), Block Range Index (BRIN)	NewSQL Failed Company
UN	UniVerse Acquired Company	1984	Multi-Value	Hash Table	Acquired Company
VA	Valthree Cache NoSQL	2025	Key-Value	Hash Table	Cache NoSQL
	VanillaDB Abandoned	2016	Multi-Value	B+Tree, Hash Table	Abandoned
	Vector OLAP Acquired Company	2009	Relational	B+Tree, Hash Table	OLAP Acquired Company
	VoltDB NewSQL	2009	Relational	B+Tree, Hash Table	NewSQL
	WebScaleSQL Forked Code Abandoned	2014	Relational	B+Tree, Hash Table, Inverted Index (Full Text)	Forked Code Abandoned
	WhiteDB Abandoned	2008	Network	Hash Table, T-Tree	Abandoned
	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
	YaraDB	2025	Document / XML	Hash Table
	Zu Cache	2025	Key-Value	Hash Table	Cache