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DBMS > EventStoreDB vs. JaguarDB vs. LokiJS vs. PouchDB

System Properties Comparison EventStoreDB vs. JaguarDB vs. LokiJS vs. PouchDB

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Editorial information provided by DB-Engines
NameEventStoreDB  Xexclude from comparisonJaguarDB  Xexclude from comparisonLokiJS  Xexclude from comparisonPouchDB  Xexclude from comparison
DescriptionIndustrial-strength, open-source database solution built from the ground up for event sourcing.Performant, highly scalable DBMS for AI and IoT applicationsIn-memory JavaScript DBMSJavaScript DBMS with an API inspired by CouchDB
Primary database modelEvent StoreKey-value store
Vector DBMS
Document storeDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.07
Rank#181  Overall
#1  Event Stores
Score0.00
Rank#385  Overall
#61  Key-value stores
#16  Vector DBMS
Score0.44
Rank#256  Overall
#40  Document stores
Score2.18
Rank#114  Overall
#21  Document stores
Websitewww.eventstore.comwww.jaguardb.comgithub.com/­techfort/­LokiJSpouchdb.com
Technical documentationdevelopers.eventstore.comwww.jaguardb.com/­support.htmltechfort.github.io/­LokiJSpouchdb.com/­guides
DeveloperEvent Store LimitedDataJaguar, Inc.Apache Software Foundation
Initial release2012201520142012
Current release21.2, February 20213.3 July 20237.1.1, June 2019
License infoCommercial or Open SourceOpen SourceOpen Source infoGPL V3.0Open 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 languageC++ infothe server part. Clients available in other languagesJavaScriptJavaScript
Server operating systemsLinux
Windows
Linuxserver-less, requires a JavaScript environment (browser, Node.js)server-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 indexesyesyes infovia viewsyes infovia views
SQL infoSupport of SQLA subset of ANSI SQL is implemented infobut no views, foreign keys, triggersnono
APIs and other access methodsJDBC
ODBC
JavaScript APIHTTP REST infoonly for PouchDB Server
JavaScript API
Supported programming languagesC
C++
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
Scala
JavaScriptJavaScript
Server-side scripts infoStored proceduresnoView functions in JavaScriptView functions in JavaScript
Triggersnoyesyes
Partitioning methods infoMethods for storing different data on different nodesShardingnoneSharding infowith a proxy-based framework, named couchdb-lounge
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replicationnoneMulti-source replication infoalso with CouchDB databases
Source-replica replication infoalso with CouchDB databases
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencynoneEventual Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono infoatomic operations within a single collection possibleno
Concurrency infoSupport for concurrent manipulation of datayes
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 backend
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes
User concepts infoAccess controlrights management via user accountsnono

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More resources
EventStoreDBJaguarDBLokiJSPouchDB
DB-Engines blog posts

New kids on the block: database management systems implemented in JavaScript
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New kids on the block: database management systems implemented in JavaScript
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18 November 2014, iProgrammer

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