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DBMS > Heroic vs. JaguarDB vs. LokiJS vs. RDFox

System Properties Comparison Heroic vs. JaguarDB vs. LokiJS vs. RDFox

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Editorial information provided by DB-Engines
NameHeroic  Xexclude from comparisonJaguarDB  Xexclude from comparisonLokiJS  Xexclude from comparisonRDFox  Xexclude from comparison
DescriptionTime Series DBMS built at Spotify based on Cassandra or Google Cloud Bigtable, and ElasticSearchPerformant, highly scalable DBMS for AI and IoT applicationsIn-memory JavaScript DBMSHigh performance knowledge graph and semantic reasoning engine
Primary database modelTime Series DBMSKey-value store
Vector DBMS
Document storeGraph DBMS
RDF store
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.57
Rank#250  Overall
#21  Time Series DBMS
Score0.09
Rank#356  Overall
#53  Key-value stores
#13  Vector DBMS
Score0.48
Rank#262  Overall
#42  Document stores
Score0.24
Rank#309  Overall
#25  Graph DBMS
#14  RDF stores
Websitegithub.com/­spotify/­heroicwww.jaguardb.comgithub.com/­techfort/­LokiJSwww.oxfordsemantic.tech
Technical documentationspotify.github.io/­heroicwww.jaguardb.com/­support.htmltechfort.github.io/­LokiJSdocs.oxfordsemantic.tech
DeveloperSpotifyDataJaguar, Inc.Oxford Semantic Technologies
Initial release2014201520142017
Current release3.3 July 20236.0, Septermber 2022
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoGPL V3.0Open Sourcecommercial
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.
Implementation languageJavaC++ infothe server part. Clients available in other languagesJavaScriptC++
Server operating systemsLinuxserver-less, requires a JavaScript environment (browser, Node.js)Linux
macOS
Windows
Data schemeschema-freeyesschema-freeyes infoRDF schemas
Typing infopredefined data types such as float or dateyesyesnoyes
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.nonono
Secondary indexesyes infovia Elasticsearchyesyes infovia views
SQL infoSupport of SQLnoA subset of ANSI SQL is implemented infobut no views, foreign keys, triggersnono
APIs and other access methodsHQL (Heroic Query Language, a JSON-based language)
HTTP API
JDBC
ODBC
JavaScript APIRESTful HTTP API
SPARQL 1.1
Supported programming languagesC
C++
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
Scala
JavaScriptC
Java
Server-side scripts infoStored proceduresnonoView functions in JavaScript
Triggersnonoyes
Partitioning methods infoMethods for storing different data on different nodesShardingShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesyesMulti-source replicationnonereplication via a shared file system
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Eventual ConsistencynoneImmediate Consistency in stand-alone mode, Eventual Consistency in replicated setups
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonono infoatomic operations within a single collection possibleACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyesyes
User concepts infoAccess controlrights management via user accountsnoRoles, resources, and access types

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More resources
HeroicJaguarDBLokiJSRDFox
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