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DBMS > EventStoreDB vs. OpenQM vs. StarRocks

System Properties Comparison EventStoreDB vs. OpenQM vs. StarRocks

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Editorial information provided by DB-Engines
NameEventStoreDB  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparisonStarRocks  Xexclude from comparison
DescriptionIndustrial-strength, open-source database solution built from the ground up for event sourcing.QpenQM is a high-performance, self-tuning, multi-value DBMSAn open source, high-performance columnar analytical database that enables real-time, multi-dimensional, and highly concurrent data analytics infoForked from Apache Doris
Primary database modelEvent StoreMultivalue DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.19
Rank#173  Overall
#1  Event Stores
Score0.34
Rank#284  Overall
#10  Multivalue DBMS
Score0.93
Rank#198  Overall
#93  Relational DBMS
Websitewww.eventstore.comwww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qmwww.starrocks.io
Technical documentationdevelopers.eventstore.comdocs.starrocks.io/­en-us/­latest/­introduction/­StarRocks_intro
DeveloperEvent Store LimitedRocket Software, originally Martin PhillipsThe Linux Foundation infosince Feb 2023
Initial release201219932020
Current release21.2, February 20213.4-123.3, June 2024
License infoCommercial or Open SourceOpen SourceOpen Source infoGPLv2, extended commercial license availableOpen Source infoApache Version 2.0
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++, Java
Server operating systemsLinux
Windows
AIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Linux
Data schemeyes infowith some exceptionsyes
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.yesno
Secondary indexesyesyes
SQL infoSupport of SQLnoyes
APIs and other access methodsJDBC
MySQL protocol
Supported programming languages.Net
Basic
C
Java
Objective C
PHP
Python
Java
Server-side scripts infoStored proceduresyesuser defined functions
Triggersyesno
Partitioning methods infoMethods for storing different data on different nodesyeshorizontal partitioning (by range and hash)
Replication methods infoMethods for redundantly storing data on multiple nodesyes
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 dataACIDno
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 controlAccess rights can be defined down to the item levelRole based access control and fine grained access rights

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More resources
EventStoreDBOpenQM infoalso called QMStarRocks
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