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DBMS > OpenQM vs. RavenDB vs. Realm vs. Sequoiadb

System Properties Comparison OpenQM vs. RavenDB vs. Realm vs. Sequoiadb

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Editorial information provided by DB-Engines
NameOpenQM infoalso called QM  Xexclude from comparisonRavenDB  Xexclude from comparisonRealm  Xexclude from comparisonSequoiadb  Xexclude from comparison
DescriptionQpenQM is a high-performance, self-tuning, multi-value DBMSOpen Source Operational and Transactional Enterprise NoSQL Document DatabaseA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core DataNewSQL database with distributed OLTP and SQL
Primary database modelMultivalue DBMSDocument storeDocument storeDocument store
Relational DBMS
Secondary database modelsGraph DBMS infoexperimental
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.44
Rank#244  Overall
#10  Multivalue DBMS
Score3.25
Rank#87  Overall
#15  Document stores
Score9.79
Rank#44  Overall
#7  Document stores
Score0.41
Rank#247  Overall
#37  Document stores
#116  Relational DBMS
Websitewww.openqm.comravendb.netrealm.iowww.sequoiadb.com
Technical documentationwww.openqm.com/­support/­documentationravendb.net/­docsrealm.io/­docswww.sequoiadb.com/­en/­index.php?m=Files&a=index
DeveloperMartin PhillipsHibernating RhinosRealm, acquired by MongoDB in May 2019Sequoiadb Ltd.
Initial release1993201020142013
Current release3.4-125.1, November 2020
License infoCommercial or Open SourceOpen Source infoGPLv2, extended commercial license availableOpen Source infoAGPL version 3, commercial license availableOpen SourceOpen Source infoServer: AGPL; Client: Apache V2
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.
RavenDB Cloud: Deploy a fully managed RavenDB Cloud Database in minutes on AWS, Azure, and GCP. HIPPA compliant. Enjoy a globally distributed cluster with enterprise-grade security and reduce cloud storage costs by 50% with Native data compression.
Implementation languageC#C++
Server operating systemsAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Linux
macOS
Raspberry Pi
Windows
Android
Backend: server-less
iOS
Windows
Linux
Data schemeyes infowith some exceptionsschema-freeyesschema-free
Typing infopredefined data types such as float or datenoyesyes infooid, date, timestamp, binary, regex
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.yesnono
Secondary indexesyesyesyesyes
SQL infoSupport of SQLnoSQL-like query language (RQL)noSQL-like query language
APIs and other access methods.NET Client API
Java Client API
Python Client API
RESTful HTTP API
proprietary protocol using JSON
Supported programming languages.Net
Basic
C
Java
Objective C
PHP
Python
.Net
C#
Go
Java
JavaScript (Node.js)
Python
Ruby
.Net
Java infowith Android only
Objective-C
React Native
Swift
.Net
C++
Java
PHP
Python
Server-side scripts infoStored proceduresyesyesno inforuns within the applications so server-side scripts are unnecessaryJavaScript
Triggersyesyesyes infoChange Listenersno
Partitioning methods infoMethods for storing different data on different nodesyesShardingnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesMulti-source replicationnoneSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyes infoMapReduce functions can be defined in Linqnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencyImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID, Cluster-wide transaction availableACIDDocument is locked during a transaction
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infoIn-Memory realmno
User concepts infoAccess controlAccess rights can be defined down to the item levelAccess control on document level using the Authorization Bundleyessimple password-based access control
More information provided by the system vendor
OpenQM infoalso called QMRavenDBRealmSequoiadb
Specific characteristicsRavenDB is the pioneer NoSQL Document Database that is fully transactional (ACID)...
» more
Now a part of MongoDB Data Platform , Realm Database is the fast, easy to use, and...
» more
Competitive advantagesRavenDB is easy to setup and secure. You can do it in a matter of minutes . Easy...
» more
Realm ensures offline-first functionality, meaning apps run smoothly and deliver...
» more
Typical application scenariosIoT for Edge Deployments Fraud Detection Recommendation Engines Product Catalogs...
» more
Mobile Consumer Apps First-Line Worker Apps
» more
Key customersToyota, Capgemini, Vodafone, Medicaid, Asos, Nomura, RMS Automotive, MSNBC, Pluralsight,...
» more
Cathay Pacific Royal Carribbean Cruise Lines Open Source Database powers apps built...
» more
Market metrics2 million+ downloads 1000+ customers including Fortune 500 large enterprises
» more
Used by 100,000+ developers 2 bn installs Currently used in 40k+ applications in...
» more
Licensing and pricing modelsRavenDB is available on-premise and in the cloud. RavenDB Cloud is available on AWS...
» more
Realm database is licensed under the Apache License v2.0.
» more

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More resources
OpenQM infoalso called QMRavenDBRealmSequoiadb
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