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DBMS > H2GIS vs. LokiJS vs. TerminusDB

System Properties Comparison H2GIS vs. LokiJS vs. TerminusDB

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Editorial information provided by DB-Engines
NameH2GIS  Xexclude from comparisonLokiJS  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparison
DescriptionSpatial extension of H2In-memory JavaScript DBMSScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationships
Primary database modelSpatial DBMSDocument storeGraph DBMS
Secondary database modelsRelational DBMSDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.00
Rank#383  Overall
#7  Spatial DBMS
Score0.43
Rank#264  Overall
#42  Document stores
Score0.17
Rank#325  Overall
#29  Graph DBMS
Websitewww.h2gis.orggithub.com/­techfort/­LokiJSterminusdb.com
Technical documentationwww.h2gis.org/­docs/­hometechfort.github.io/­LokiJSterminusdb.github.io/­terminusdb/­#
DeveloperCNRSDataChemist Ltd.
Initial release201320142018
Current release11.0.0, January 2023
License infoCommercial or Open SourceOpen Source infoLGPL 3.0Open SourceOpen Source infoGPL V3
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJavaScriptProlog, Rust
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)Linux
Data schemeyesschema-freeyes
Typing infopredefined data types such as float or dateyesnoyes
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 indexesyesyes infovia views
SQL infoSupport of SQLyesnoSQL-like query language (WOQL)
APIs and other access methodsJavaScript APIOWL
RESTful HTTP API
WOQL (Web Object Query Language)
Supported programming languagesJavaJavaScriptJavaScript
Python
Server-side scripts infoStored proceduresyes infobased on H2View functions in JavaScriptyes
Triggersyesyesyes
Partitioning methods infoMethods for storing different data on different nodesnonenoneGraph Partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesyes infobased on H2noneJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistencynone
Foreign keys infoReferential integrityyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno infoatomic operations within a single collection possibleACID
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yes
Durability infoSupport for making data persistentyesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yes infoin-memory journaling
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlyes infobased on H2noRole-based access control

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More resources
H2GISLokiJSTerminusDB infoformer name was DataChemist
DB-Engines blog posts

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

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