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DBMS > AgensGraph vs. EventStoreDB vs. OpenQM

System Properties Comparison AgensGraph vs. EventStoreDB vs. OpenQM

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Editorial information provided by DB-Engines
NameAgensGraph  Xexclude from comparisonEventStoreDB  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparison
DescriptionMulti-model database supporting relational and graph data models and built upon PostgreSQLIndustrial-strength, open-source database solution built from the ground up for event sourcing.QpenQM is a high-performance, self-tuning, multi-value DBMS
Primary database modelGraph DBMS
Relational DBMS
Event StoreMultivalue DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.23
Rank#315  Overall
#26  Graph DBMS
#140  Relational DBMS
Score1.19
Rank#173  Overall
#1  Event Stores
Score0.34
Rank#284  Overall
#10  Multivalue DBMS
Websitebitnine.net/­agensgraphwww.eventstore.comwww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qm
Technical documentationbitnine.net/­documentationdevelopers.eventstore.com
DeveloperBitnine Global Inc.Event Store LimitedRocket Software, originally Martin Phillips
Initial release201620121993
Current release2.1, December 201821.2, February 20213.4-12
License infoCommercial or Open SourceOpen Source infoApache License 2.0Open SourceOpen 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
OS X
Windows
Linux
Windows
AIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Data schemedepending on used data modelyes 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 indexesyesyes
SQL infoSupport of SQLyesno
APIs and other access methodsCypher Query Language
JDBC
Supported programming languagesC
Java
JavaScript
Python
.Net
Basic
C
Java
Objective C
PHP
Python
Server-side scripts infoStored proceduresyesyes
Triggersnoyes
Partitioning methods infoMethods for storing different data on different nodesno, but can be realized using table inheritanceyes
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationyes
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 integrityyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes
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 controlfine grained access rights according to SQL-standardAccess rights can be defined down to the item level

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More resources
AgensGraphEventStoreDBOpenQM infoalso called QM
Recent citations in the news

Graph DBMS Performance Comparison AgensGraph vs. Neo4j
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