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DBMS > openGemini vs. Realm vs. SWC-DB vs. TerminusDB

System Properties Comparison openGemini vs. Realm vs. SWC-DB vs. TerminusDB

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Editorial information provided by DB-Engines
NameopenGemini  Xexclude from comparisonRealm  Xexclude from comparisonSWC-DB infoSuper Wide Column Database  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparison
DescriptionAn open source distributed Time Series DBMS with high concurrency, high performance, and high scalabilityA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core DataA high performance, scalable Wide Column DBMSScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationships
Primary database modelTime Series DBMSDocument storeWide column storeGraph DBMS
Secondary database modelsTime Series DBMSDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.01
Rank#375  Overall
#39  Time Series DBMS
Score7.60
Rank#52  Overall
#9  Document stores
Score0.01
Rank#376  Overall
#13  Wide column stores
Score0.17
Rank#325  Overall
#29  Graph DBMS
Websitewww.opengemini.org
github.com/­openGemini
realm.iogithub.com/­kashirin-alex/­swc-db
www.swcdb.org
terminusdb.com
Technical documentationdocs.opengemini.org/­guiderealm.io/­docsterminusdb.github.io/­terminusdb/­#
DeveloperHuawei and openGemini communityRealm, acquired by MongoDB in May 2019Alex KashirinDataChemist Ltd.
Initial release2022201420202018
Current release1.1, July 20230.5, April 202111.0.0, January 2023
License infoCommercial or Open SourceOpen Source infoApache Version 2.0Open SourceOpen Source infoGPL V3Open Source infoGPL V3
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageGoC++Prolog, Rust
Server operating systemsLinux
Windows
Android
Backend: server-less
iOS
Windows
LinuxLinux
Data schemeschema-freeyesschema-freeyes
Typing infopredefined data types such as float or dateInteger, Float, Boolean, Stringyesyes
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 indexesyesyes
SQL infoSupport of SQLSQL-like query languagenoSQL-like query languageSQL-like query language (WOQL)
APIs and other access methodsHTTP RESTProprietary protocol
Thrift
OWL
RESTful HTTP API
WOQL (Web Object Query Language)
Supported programming languagesC
C++
Go
Java
JavaScript (Node.js)
Python
Rust
.Net
Java infowith Android only
Objective-C
React Native
Swift
C++JavaScript
Python
Server-side scripts infoStored proceduresnono inforuns within the applications so server-side scripts are unnecessarynoyes
Triggersnoyes infoChange Listenersnoyes
Partitioning methods infoMethods for storing different data on different nodesShardingnoneShardingGraph Partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesyesnoneJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyesyes infoin-memory journaling
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes infoIn-Memory realmno
User concepts infoAccess controlAdministrators and common users accountsyesRole-based access control

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More resources
openGeminiRealmSWC-DB infoSuper Wide Column DatabaseTerminusDB infoformer name was DataChemist
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