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DBMS > Geode vs. ITTIA vs. Realm vs. TerminusDB

System Properties Comparison Geode vs. ITTIA vs. Realm vs. TerminusDB

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Editorial information provided by DB-Engines
NameGeode  Xexclude from comparisonITTIA  Xexclude from comparisonRealm  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparison
DescriptionGeode is a distributed data container, pooling memory, CPU, network resources, and optionally local disk across multiple processesEdge Time Series DBMS with Real-Time Stream ProcessingA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core DataScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationships
Primary database modelKey-value storeTime Series DBMSDocument storeGraph DBMS
Secondary database modelsRelational DBMSDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.92
Rank#131  Overall
#23  Key-value stores
Score0.39
Rank#273  Overall
#24  Time Series DBMS
Score7.60
Rank#52  Overall
#9  Document stores
Score0.17
Rank#325  Overall
#29  Graph DBMS
Websitegeode.apache.orgwww.ittia.comrealm.ioterminusdb.com
Technical documentationgeode.apache.org/­docsrealm.io/­docsterminusdb.github.io/­terminusdb/­#
DeveloperOriginally developed by Gemstone. They outsourced the project to Apache in 2015 but still deliver a commercial version as Gemfire.ITTIA L.L.C.Realm, acquired by MongoDB in May 2019DataChemist Ltd.
Initial release2002200720142018
Current release1.1, February 20178.711.0.0, January 2023
License infoCommercial or Open SourceOpen Source infoApache Version 2; commercial licenses available as GemfirecommercialOpen SourceOpen 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 languageJavaC and C++Prolog, Rust
Server operating systemsAll OS with a Java VM infothe JDK (8 or later) is also requiredLinux
Windows
Android
Backend: server-less
iOS
Windows
Linux
Data schemeschema-freeFixed schemayesyes
Typing infopredefined data types such as float or dateyesFloat/Blob/Integer/String/Unicode/Date/Time/Timestamp/Intervalyesyes
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 indexesnoyesyes
SQL infoSupport of SQLSQL-like query language (OQL)yesnoSQL-like query language (WOQL)
APIs and other access methodsJava Client API
Memcached protocol
RESTful HTTP API
JDBC
ODBC
RESTful HTTP API
WebSocket
OWL
RESTful HTTP API
WOQL (Web Object Query Language)
Supported programming languages.Net
All JVM based languages
C++
Groovy
Java
Scala
C
C++
JavaScript (Node.js)
Python
.Net
Java infowith Android only
Objective-C
React Native
Swift
JavaScript
Python
Server-side scripts infoStored proceduresuser defined functionsyesno inforuns within the applications so server-side scripts are unnecessaryyes
Triggersyes infoCache Event Listenersnoyes infoChange Listenersyes
Partitioning methods infoMethods for storing different data on different nodesShardingnoneGraph Partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replicationyesnoneJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes, on a single nodeyesACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes, multi-version concurrency control (MVCC)yes
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.yesyesyes infoIn-Memory realm
User concepts infoAccess controlAccess rights per client and object definableDatabase file passwordsyesRole-based access control

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More resources
GeodeITTIARealmTerminusDB infoformer name was DataChemist
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