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DBMS > Graph Engine vs. LokiJS vs. TempoIQ vs. VelocityDB

System Properties Comparison Graph Engine vs. LokiJS vs. TempoIQ vs. VelocityDB

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Editorial information provided by DB-Engines
NameGraph Engine infoformer name: Trinity  Xexclude from comparisonLokiJS  Xexclude from comparisonTempoIQ infoformerly TempoDB  Xexclude from comparisonVelocityDB  Xexclude from comparison
TempoIQ seems to be decommissioned. It will be removed from the DB-Engines ranking.
DescriptionA distributed in-memory data processing engine, underpinned by a strongly-typed RAM store and a general distributed computation engineIn-memory JavaScript DBMSScalable analytics DBMS for sensor data, provided as a service (SaaS)A .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelGraph DBMS
Key-value store
Document storeTime Series DBMSGraph DBMS
Object oriented DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.67
Rank#232  Overall
#21  Graph DBMS
#34  Key-value stores
Score0.49
Rank#260  Overall
#42  Document stores
Score0.11
Rank#354  Overall
#37  Graph DBMS
#15  Object oriented DBMS
Websitewww.graphengine.iogithub.com/­techfort/­LokiJStempoiq.com (offline)velocitydb.com
Technical documentationwww.graphengine.io/­docs/­manualtechfort.github.io/­LokiJSvelocitydb.com/­UserGuide
DeveloperMicrosoftTempoIQVelocityDB Inc
Initial release2010201420122011
Current release7.x
License infoCommercial or Open SourceOpen Source infoMIT LicenseOpen Sourcecommercialcommercial
Cloud-based only infoOnly available as a cloud servicenonoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation language.NET and CJavaScriptC#
Server operating systems.NETserver-less, requires a JavaScript environment (browser, Node.js)Any that supports .NET
Data schemeyesschema-freeschema-freeyes
Typing infopredefined data types such as float or dateyesnoyesyes
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 indexesyes infovia viewsyes
SQL infoSupport of SQLnononono
APIs and other access methodsRESTful HTTP APIJavaScript APIHTTP API.Net
Supported programming languagesC#
C++
F#
Visual Basic
JavaScriptC#
Java
JavaScript infoNode.js
Python
Ruby
.Net
Server-side scripts infoStored proceduresyesView functions in JavaScriptnono
Triggersnoyesyes infoRealtime AlertsCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono infoatomic operations within a single collection possiblenoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentoptional: either by committing a write-ahead log (WAL) to the local persistent storage or by dumping the memory to a persistent storageyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesnoyes
User concepts infoAccess controlnosimple authentication-based access controlBased on Windows Authentication

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More resources
Graph Engine infoformer name: TrinityLokiJSTempoIQ infoformerly TempoDBVelocityDB
DB-Engines blog posts

New kids on the block: database management systems implemented in JavaScript
1 December 2014, Matthias Gelbmann

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Recent citations in the news

Trinity
21 June 2016, microsoft.com

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