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DBMS > H2GIS vs. IBM Cloudant vs. LokiJS

System Properties Comparison H2GIS vs. IBM Cloudant vs. LokiJS

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Editorial information provided by DB-Engines
NameH2GIS  Xexclude from comparisonIBM Cloudant  Xexclude from comparisonLokiJS  Xexclude from comparison
DescriptionSpatial extension of H2Database as a Service offering based on Apache CouchDBIn-memory JavaScript DBMS
Primary database modelSpatial DBMSDocument storeDocument store
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
Score2.68
Rank#106  Overall
#20  Document stores
Score0.43
Rank#264  Overall
#42  Document stores
Websitewww.h2gis.orgwww.ibm.com/­products/­cloudantgithub.com/­techfort/­LokiJS
Technical documentationwww.h2gis.org/­docs/­homecloud.ibm.com/­docs/­Cloudanttechfort.github.io/­LokiJS
DeveloperCNRSIBM, Apache Software Foundation infoIBM acquired Cloudant in February 2014
Initial release201320102014
License infoCommercial or Open SourceOpen Source infoLGPL 3.0commercialOpen Source
Cloud-based only infoOnly available as a cloud servicenoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaErlangJavaScript
Server operating systemshostedserver-less, requires a JavaScript environment (browser, Node.js)
Data schemeyesschema-freeschema-free
Typing infopredefined data types such as float or dateyesnono
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 indexesyesyesyes infovia views
SQL infoSupport of SQLyesnono
APIs and other access methodsRESTful HTTP/JSON APIJavaScript API
Supported programming languagesJavaC#
Java
JavaScript
Objective-C
PHP
Ruby
JavaScript
Server-side scripts infoStored proceduresyes infobased on H2View functions (Map-Reduce) in JavaScriptView functions in JavaScript
Triggersyesyesyes
Partitioning methods infoMethods for storing different data on different nodesnoneShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesyes infobased on H2Multi-source replication
Source-replica replication
none
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistencynone
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno infoatomic operations within a document possibleno infoatomic operations within a single collection possible
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yes infoOptimistic locking
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.
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyes
User concepts infoAccess controlyes infobased on H2Access rights for users can be defined per databaseno

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More resources
H2GISIBM CloudantLokiJS
DB-Engines blog posts

New kids on the block: database management systems implemented in JavaScript
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