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DBMS > OpenQM vs. OrigoDB vs. Prometheus vs. Realm

System Properties Comparison OpenQM vs. OrigoDB vs. Prometheus vs. Realm

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Editorial information provided by DB-Engines
NameOpenQM infoalso called QM  Xexclude from comparisonOrigoDB  Xexclude from comparisonPrometheus  Xexclude from comparisonRealm  Xexclude from comparison
DescriptionQpenQM is a high-performance, self-tuning, multi-value DBMSA fully ACID in-memory object graph databaseOpen-source Time Series DBMS and monitoring systemA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core Data
Primary database modelMultivalue DBMSDocument store
Object oriented DBMS
Time Series DBMSDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.28
Rank#291  Overall
#10  Multivalue DBMS
Score0.00
Rank#385  Overall
#54  Document stores
#21  Object oriented DBMS
Score7.56
Rank#49  Overall
#3  Time Series DBMS
Score7.18
Rank#52  Overall
#8  Document stores
Websitewww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qmorigodb.comprometheus.iorealm.io
Technical documentationorigodb.com/­docsprometheus.io/­docsrealm.io/­docs
DeveloperRocket Software, originally Martin PhillipsRobert Friberg et alRealm, acquired by MongoDB in May 2019
Initial release19932009 infounder the name LiveDB20152014
Current release3.4-12
License infoCommercial or Open SourceOpen Source infoGPLv2, extended commercial license availableOpen SourceOpen Source infoApache 2.0Open Source
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC#Go
Server operating systemsAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Linux
Windows
Linux
Windows
Android
Backend: server-less
iOS
Windows
Data schemeyes infowith some exceptionsyesyesyes
Typing infopredefined data types such as float or dateUser defined using .NET types and collectionsNumeric data onlyyes
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 infocan be achieved using .NETno infoImport of XML data possibleno
Secondary indexesyesyesnoyes
SQL infoSupport of SQLnononono
APIs and other access methods.NET Client API
HTTP API
LINQ
RESTful HTTP/JSON API
Supported programming languages.Net
Basic
C
Java
Objective C
PHP
Python
.Net.Net
C++
Go
Haskell
Java
JavaScript (Node.js)
Python
Ruby
.Net
Java infowith Android only
Objective-C
React Native
Swift
Server-side scripts infoStored proceduresyesyesnono inforuns within the applications so server-side scripts are unnecessary
Triggersyesyes infoDomain Eventsnoyes infoChange Listeners
Partitioning methods infoMethods for storing different data on different nodesyeshorizontal partitioning infoclient side managed; servers are not synchronizedShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesyesSource-replica replicationyes infoby Federationnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencynoneImmediate Consistency
Foreign keys infoReferential integritynodepending on modelnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyes infoWrite ahead logyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyes infoIn-Memory realm
User concepts infoAccess controlAccess rights can be defined down to the item levelRole based authorizationnoyes

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More resources
OpenQM infoalso called QMOrigoDBPrometheusRealm
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