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DBMS > Realm vs. RethinkDB vs. TempoIQ vs. Trafodion

System Properties Comparison Realm vs. RethinkDB vs. TempoIQ vs. Trafodion

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Editorial information provided by DB-Engines
NameRealm  Xexclude from comparisonRethinkDB  Xexclude from comparisonTempoIQ infoformerly TempoDB  Xexclude from comparisonTrafodion  Xexclude from comparison
TempoIQ seems to be decommissioned. It will be removed from the DB-Engines ranking.Apache Trafodion has been retired in 2021. Therefore it is excluded from the DB-Engines Ranking.
DescriptionA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core DataDBMS for the Web with a mechanism to push updated query results to applications in realtime.Scalable analytics DBMS for sensor data, provided as a service (SaaS)Transactional SQL-on-Hadoop DBMS
Primary database modelDocument storeDocument storeTime Series DBMSRelational DBMS
Secondary database modelsSpatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score7.41
Rank#52  Overall
#8  Document stores
Score2.66
Rank#107  Overall
#20  Document stores
Websiterealm.iorethinkdb.comtempoiq.com (offline)trafodion.apache.org
Technical documentationrealm.io/­docsrethinkdb.com/­docstrafodion.apache.org/­documentation.html
DeveloperRealm, acquired by MongoDB in May 2019The Linux Foundation infosince July 2017TempoIQApache Software Foundation, originally developed by HP
Initial release2014200920122014
Current release2.4.1, August 20202.3.0, February 2019
License infoCommercial or Open SourceOpen SourceOpen Source infoApache Version 2commercialOpen Source infoApache 2.0
Cloud-based only infoOnly available as a cloud servicenonoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++C++, Java
Server operating systemsAndroid
Backend: server-less
iOS
Windows
Linux
OS X
Windows
Linux
Data schemeyesschema-freeschema-freeyes
Typing infopredefined data types such as float or dateyesyes infostring, binary, float, bool, date, geometryyesyes
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.nononono
Secondary indexesyesyesyes
SQL infoSupport of SQLnononoyes
APIs and other access methodsHTTP APIADO.NET
JDBC
ODBC
Supported programming languages.Net
Java infowith Android only
Objective-C
React Native
Swift
C infocommunity-supported driver
C# infocommunity-supported driver
C++ infocommunity-supported driver
Clojure infocommunity-supported driver
Dart infocommunity-supported driver
Erlang infocommunity-supported driver
Go infocommunity-supported driver
Haskell infocommunity-supported driver
Java infoofficial driver
JavaScript (Node.js) infoofficial driver
Lisp infocommunity-supported driver
Lua infocommunity-supported driver
Objective-C infocommunity-supported driver
Perl infocommunity-supported driver
PHP infocommunity-supported driver
Python infoofficial driver
Ruby infoofficial driver
Scala infocommunity-supported driver
C#
Java
JavaScript infoNode.js
Python
Ruby
All languages supporting JDBC/ODBC/ADO.Net
Server-side scripts infoStored proceduresno inforuns within the applications so server-side scripts are unnecessarynoJava Stored Procedures
Triggersyes infoChange ListenersClient-side triggers through changefeedsyes infoRealtime Alertsno
Partitioning methods infoMethods for storing different data on different nodesnoneSharding inforange basedSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneSource-replica replicationyes, via HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnoyes infovia user defined functions and HBase
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynononoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDAtomic single-document operationsnoACID
Concurrency infoSupport for concurrent manipulation of datayes infoMVCC basedyesyes
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 realmnonono
User concepts infoAccess controlyesyes infousers and table-level permissionssimple authentication-based access controlfine grained access rights according to SQL-standard

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More resources
RealmRethinkDBTempoIQ infoformerly TempoDBTrafodion
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