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DBMS > LokiJS vs. PouchDB vs. Sequoiadb vs. TerarkDB

System Properties Comparison LokiJS vs. PouchDB vs. Sequoiadb vs. TerarkDB

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Editorial information provided by DB-Engines
NameLokiJS  Xexclude from comparisonPouchDB  Xexclude from comparisonSequoiadb  Xexclude from comparisonTerarkDB  Xexclude from comparison
DescriptionIn-memory JavaScript DBMSJavaScript DBMS with an API inspired by CouchDBNewSQL database with distributed OLTP and SQLA key-value store forked from RocksDB with advanced compression algorithms. It can be used standalone or as a storage engine for MySQL and MongoDB
Primary database modelDocument storeDocument storeDocument store
Relational DBMS
Key-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.43
Rank#264  Overall
#42  Document stores
Score2.28
Rank#115  Overall
#21  Document stores
Score0.45
Rank#261  Overall
#41  Document stores
#122  Relational DBMS
Score0.00
Rank#383  Overall
#60  Key-value stores
Websitegithub.com/­techfort/­LokiJSpouchdb.comwww.sequoiadb.comgithub.com/­bytedance/­terarkdb
Technical documentationtechfort.github.io/­LokiJSpouchdb.com/­guideswww.sequoiadb.com/­en/­index.php?m=Files&a=indexbytedance.larkoffice.com/­docs/­doccnZmYFqHBm06BbvYgjsHHcKc
DeveloperApache Software FoundationSequoiadb Ltd.ByteDance, originally Terark
Initial release2014201220132016
Current release7.1.1, June 2019
License infoCommercial or Open SourceOpen SourceOpen SourceOpen Source infoServer: AGPL; Client: Apache V2commercial inforestricted open source version available
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 languageJavaScriptJavaScriptC++C++
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)server-less, requires a JavaScript environment (browser, Node.js)Linux
Data schemeschema-freeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or datenonoyes infooid, date, timestamp, binary, regexno
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 indexesyes infovia viewsyes infovia viewsyesno
SQL infoSupport of SQLnonoSQL-like query languageno
APIs and other access methodsJavaScript APIHTTP REST infoonly for PouchDB Server
JavaScript API
proprietary protocol using JSONC++ API
Java API
Supported programming languagesJavaScriptJavaScript.Net
C++
Java
PHP
Python
C++
Java
Server-side scripts infoStored proceduresView functions in JavaScriptView functions in JavaScriptJavaScriptno
Triggersyesyesnono
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infowith a proxy-based framework, named couchdb-loungeShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesnoneMulti-source replication infoalso with CouchDB databases
Source-replica replication infoalso with CouchDB databases
Source-replica replicationnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneEventual ConsistencyEventual Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoatomic operations within a single collection possiblenoDocument is locked during a transactionno
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyes 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.yesyesnoyes
User concepts infoAccess controlnonosimple password-based access controlno

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More resources
LokiJSPouchDBSequoiadbTerarkDB
DB-Engines blog posts

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

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

LokiJS - A JavaScript Database
18 November 2014, iProgrammer

LokiJS Reaches 1.4
8 July 2016, iProgrammer

provided by Google News

Building an Offline First App with PouchDB — SitePoint
10 March 2014, SitePoint

Getting Started with PouchDB Client-Side JavaScript Database — SitePoint
7 September 2016, SitePoint

3 Reasons To Think Offline First
22 March 2017, ibm.com

Create Offline Web Apps Using Service Workers & PouchDB — SitePoint
7 March 2017, SitePoint

Offline-first web and mobile apps: Top frameworks and components
22 January 2019, TechBeacon

provided by Google News



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