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DBMS > PouchDB vs. Sequoiadb vs. TerarkDB vs. YTsaurus

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

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Editorial information provided by DB-Engines
NamePouchDB  Xexclude from comparisonSequoiadb  Xexclude from comparisonTerarkDB  Xexclude from comparisonYTsaurus  Xexclude from comparison
DescriptionJavaScript 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 MongoDBYTsaurus is an open source platform for distributed storage and processing.
Primary database modelDocument storeDocument store
Relational DBMS
Key-value storeDocument store
Key-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
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
Score0.11
Rank#340  Overall
#45  Document stores
#50  Key-value stores
Websitepouchdb.comwww.sequoiadb.comgithub.com/­bytedance/­terarkdbytsaurus.tech
Technical documentationpouchdb.com/­guideswww.sequoiadb.com/­en/­index.php?m=Files&a=indexbytedance.larkoffice.com/­docs/­doccnZmYFqHBm06BbvYgjsHHcKcytsaurus.tech/­docs/­en
DeveloperApache Software FoundationSequoiadb Ltd.ByteDance, originally TerarkYandex
Initial release2012201320162023
Current release7.1.1, June 2019
License infoCommercial or Open SourceOpen SourceOpen Source infoServer: AGPL; Client: Apache V2commercial inforestricted open source version availableOpen Source infoApache License, Version 2.0
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 languageJavaScriptC++C++C++
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)LinuxUbuntu
Data schemeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or datenoyes infooid, date, timestamp, binary, regexnoyes
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 viewsyesno
SQL infoSupport of SQLnoSQL-like query languagenoYQL, an SQL-based language, is supported
APIs and other access methodsHTTP REST infoonly for PouchDB Server
JavaScript API
proprietary protocol using JSONC++ API
Java API
Supported programming languagesJavaScript.Net
C++
Java
PHP
Python
C++
Java
C++
Go
Java
JavaScript
Python
Server-side scripts infoStored proceduresView functions in JavaScriptJavaScriptno
Triggersyesnono
Partitioning methods infoMethods for storing different data on different nodesSharding infowith a proxy-based framework, named couchdb-loungeShardingnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication infoalso with CouchDB databases
Source-replica replication infoalso with CouchDB databases
Source-replica replicationnoneyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnonoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyEventual Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoDocument is locked during a transactionnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyes infoby using IndexedDB, WebSQL or LevelDB as backendyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyes
User concepts infoAccess controlnosimple password-based access controlnoAccess Control Lists

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More resources
PouchDBSequoiadbTerarkDBYTsaurus
DB-Engines blog posts

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7 September 2016, SitePoint

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