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DBMS > H2GIS vs. Heroic vs. LokiJS vs. SQL.JS

System Properties Comparison H2GIS vs. Heroic vs. LokiJS vs. SQL.JS

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Editorial information provided by DB-Engines
NameH2GIS  Xexclude from comparisonHeroic  Xexclude from comparisonLokiJS  Xexclude from comparisonSQL.JS  Xexclude from comparison
DescriptionSpatial extension of H2Time Series DBMS built at Spotify based on Cassandra or Google Cloud Bigtable, and ElasticSearchIn-memory JavaScript DBMSPort of SQLite to JavaScript
Primary database modelSpatial DBMSTime Series DBMSDocument storeRelational DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.00
Rank#383  Overall
#7  Spatial DBMS
Score0.51
Rank#255  Overall
#21  Time Series DBMS
Score0.43
Rank#264  Overall
#42  Document stores
Score0.53
Rank#252  Overall
#116  Relational DBMS
Websitewww.h2gis.orggithub.com/­spotify/­heroicgithub.com/­techfort/­LokiJSsql.js.org
Technical documentationwww.h2gis.org/­docs/­homespotify.github.io/­heroictechfort.github.io/­LokiJSsql.js.org/­documentation/­index.html
DeveloperCNRSSpotifyAlon Zakai infoenhancements implemented by others
Initial release2013201420142012
License infoCommercial or Open SourceOpen Source infoLGPL 3.0Open Source infoApache 2.0Open SourceOpen Source
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 languageJavaJavaJavaScriptJavaScript
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)server-less, requires a JavaScript environment (browser, Node.js)
Data schemeyesschema-freeschema-freeyes
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.nononono
Secondary indexesyesyes infovia Elasticsearchyes infovia views
SQL infoSupport of SQLyesnonoyes infoSQL-92 is not fully supported
APIs and other access methodsHQL (Heroic Query Language, a JSON-based language)
HTTP API
JavaScript APIJavaScript API
Supported programming languagesJavaJavaScriptJavaScript
Server-side scripts infoStored proceduresyes infobased on H2noView functions in JavaScriptno
Triggersyesnoyesno
Partitioning methods infoMethods for storing different data on different nodesnoneShardingnonenone
Replication methods infoMethods for redundantly storing data on multiple nodesyes infobased on H2yesnonenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency
nonenone
Foreign keys infoReferential integrityyesnonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnono 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 persistentyesyesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.no infoexcept by serializing a db to a file
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyesyes
User concepts infoAccess controlyes infobased on H2nono

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More resources
H2GISHeroicLokiJSSQL.JS
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