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DBMS > GeoSpock vs. LokiJS vs. PouchDB vs. VelocityDB vs. YTsaurus

System Properties Comparison GeoSpock vs. LokiJS vs. PouchDB vs. VelocityDB vs. YTsaurus

Editorial information provided by DB-Engines
NameGeoSpock  Xexclude from comparisonLokiJS  Xexclude from comparisonPouchDB  Xexclude from comparisonVelocityDB  Xexclude from comparisonYTsaurus  Xexclude from comparison
GeoSpock seems to be discontinued. Therefore it will be excluded from the DB-Engines ranking.
DescriptionSpatial and temporal data processing engine for extreme data scaleIn-memory JavaScript DBMSJavaScript DBMS with an API inspired by CouchDBA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)YTsaurus is an open source platform for distributed storage and processing.
Primary database modelRelational DBMSDocument storeDocument storeGraph DBMS
Object oriented DBMS
Document store
Key-value store
Secondary database modelsTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.49
Rank#260  Overall
#42  Document stores
Score2.34
Rank#112  Overall
#21  Document stores
Score0.11
Rank#354  Overall
#37  Graph DBMS
#15  Object oriented DBMS
Score0.21
Rank#324  Overall
#45  Document stores
#48  Key-value stores
Websitegeospock.comgithub.com/­techfort/­LokiJSpouchdb.comvelocitydb.comytsaurus.tech
Technical documentationtechfort.github.io/­LokiJSpouchdb.com/­guidesvelocitydb.com/­UserGuideytsaurus.tech/­docs/­en
DeveloperGeoSpockApache Software FoundationVelocityDB IncYandex
Initial release2014201220112023
Current release2.0, September 20197.1.1, June 20197.x
License infoCommercial or Open SourcecommercialOpen SourceOpen SourcecommercialOpen Source infoApache License, Version 2.0
Cloud-based only infoOnly available as a cloud serviceyesnononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJava, JavascriptJavaScriptJavaScriptC#C++
Server operating systemshostedserver-less, requires a JavaScript environment (browser, Node.js)server-less, requires a JavaScript environment (browser, Node.js)Any that supports .NETUbuntu
Data schemeyesschema-freeschema-freeyes
Typing infopredefined data types such as float or dateyesnonoyesyes
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.nonononono
Secondary indexestemporal, categoricalyes infovia viewsyes infovia viewsyes
SQL infoSupport of SQLANSI SQL for query only (using Presto)nononoYQL, an SQL-based language, is supported
APIs and other access methodsJDBCJavaScript APIHTTP REST infoonly for PouchDB Server
JavaScript API
.Net
Supported programming languagesJavaScriptJavaScript.NetC++
Go
Java
JavaScript
Python
Server-side scripts infoStored proceduresnoView functions in JavaScriptView functions in JavaScriptno
TriggersnoyesyesCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesAutomatic shardingnoneSharding infowith a proxy-based framework, named couchdb-loungeShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneMulti-source replication infoalso with CouchDB databases
Source-replica replication infoalso with CouchDB databases
yes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesyesnoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencynoneEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono infoatomic operations within a single collection possiblenoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
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 infoby using IndexedDB, WebSQL or LevelDB as backendyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyesyes
User concepts infoAccess controlAccess rights for users can be defined per tablenonoBased on Windows AuthenticationAccess Control Lists

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More resources
GeoSpockLokiJSPouchDBVelocityDBYTsaurus
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