Databases with Blocking Checkpoints · Database of Databases


	4D	1984	Relational	Consistent, Blocking
	AllegroGraph	2004	Triplestore / RDF	Blocking
	Bedrock Blockchain OLTP AI-Assisted	2016	Relational	Non-Blocking, Blocking	Blockchain OLTP AI-Assisted
	Beringei Time-Series Abandoned	2015	Key-Value	Blocking	Time-Series Abandoned
	BigchainDB Abandoned Blockchain	2015	Document / XML, Key-Value	Consistent, Blocking	Abandoned Blockchain
	Blueflood Time-Series Abandoned	2013	Column Family / Wide-Column	Non-Blocking, Consistent, Blocking, Fuzzy	Time-Series Abandoned
	Cassandra NoSQL AI-Assisted	2008	Key-Value, Column Family / Wide-Column	Fuzzy, Non-Blocking, Consistent, Blocking	NoSQL AI-Assisted
	CovenantSQL Abandoned Blockchain	2018	Relational	Non-Blocking, Blocking	Abandoned Blockchain
DQ	Dqlite	2017	Relational	Blocking
	DuckDB OLAP AI-Assisted	2018	Relational	Blocking	OLAP AI-Assisted
	Elasticsearch Search Engine NoSQL AI-Assisted	2004	Document / XML	Blocking, Fuzzy	Search Engine NoSQL AI-Assisted
	etcd Acquired Company	2013	Key-Value	Blocking	Acquired Company
	HerdDB	2016	Relational	Consistent, Blocking
	HyperDex Abandoned NoSQL	2011	Key-Value	Consistent, Blocking	Abandoned NoSQL
	Ingres Acquired Company	1974	Relational	Blocking, Consistent	Acquired Company
	JaguarDB Nearest Neighbor	2017	Array / Matrix, Key-Value	Blocking	Nearest Neighbor
	KairosDB Time-Series	2013	Relational	Non-Blocking, Consistent, Blocking, Fuzzy	Time-Series
	Kyoto Cabinet DBM	2009	Key-Value	Blocking	DBM
	LedisDB Abandoned NoSQL	2014	Key-Value	Non-Blocking, Consistent, Blocking	Abandoned NoSQL
	LevelDB MMAP	2011	Key-Value	Blocking	MMAP
	libSQL Forked Code OLTP	2022	Relational	Non-Blocking, Blocking	Forked Code OLTP
	NunDB	2018	Object-Oriented	Blocking
	OpenSearch Forked Code Search Engine AI-Assisted	2021	Document / XML	Blocking, Fuzzy	Forked Code Search Engine AI-Assisted
	RaimaDB Time-Series	1984	Network, Relational	Blocking, Consistent	Time-Series
	SQLite OLTP	2000	Relational	Blocking, Non-Blocking	OLTP
	TDSQL	2012	Key-Value, Document / XML, Relational	Blocking
	TimesTen Acquired Company OLTP	1996	Relational	Fuzzy, Non-Blocking, Blocking	Acquired Company OLTP
	UnumDB Abandoned Failed Company	2015	Document / XML, Graph, Key-Value, Array / Matrix	Blocking	Abandoned Failed Company
	Vector OLAP Acquired Company	2009	Relational	Blocking, Consistent	OLAP Acquired Company
	Vertica OLAP Forked Code Acquired Company	2005	Relational	Blocking, Fuzzy	OLAP Forked Code Acquired Company
	VoltDB NewSQL	2009	Relational	Non-Blocking, Blocking	NewSQL
	XAP NoSQL	2000	Document / XML	Blocking, Non-Blocking	NoSQL