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DBMS > EventStoreDB vs. Kuzu vs. OpenQM

System Properties Comparison EventStoreDB vs. Kuzu vs. OpenQM

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Editorial information provided by DB-Engines
NameEventStoreDB  Xexclude from comparisonKuzu  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparison
DescriptionIndustrial-strength, open-source database solution built from the ground up for event sourcing.An embeddable property Graph DBMS built for query speed and scalabilityQpenQM is a high-performance, self-tuning, multi-value DBMS
Primary database modelEvent StoreGraph DBMSMultivalue DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.19
Rank#173  Overall
#1  Event Stores
Score0.00
Rank#402  Overall
#41  Graph DBMS
Score0.34
Rank#284  Overall
#10  Multivalue DBMS
Websitewww.eventstore.comkuzudb.comwww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qm
Technical documentationdevelopers.eventstore.comdocs.kuzudb.com
DeveloperEvent Store LimitedRocket Software, originally Martin Phillips
Initial release201220221993
Current release21.2, February 20210.4.2, May 20243.4-12
License infoCommercial or Open SourceOpen SourceOpen Source infoMIT licenseOpen Source infoGPLv2, extended commercial license available
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++
Server operating systemsLinux
Windows
server-lessAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Data schemeyesyes infowith some exceptions
Typing infopredefined data types such as float or dateyes
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.noyes
Secondary indexesnoyes
SQL infoSupport of SQLnono
APIs and other access methodsCLI Client
Cypher Query Language
Supported programming languagesC
C#
C++
Java
JavaScript
Python
Rust
.Net
Basic
C
Java
Objective C
PHP
Python
Server-side scripts infoStored proceduresnoyes
Triggersnoyes
Partitioning methods infoMethods for storing different data on different nodesnoneyes
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.no
User concepts infoAccess controlnoAccess rights can be defined down to the item level

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