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DBMS > CockroachDB vs. LokiJS vs. PouchDB

System Properties Comparison CockroachDB vs. LokiJS vs. PouchDB

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Editorial information provided by DB-Engines
NameCockroachDB  Xexclude from comparisonLokiJS  Xexclude from comparisonPouchDB  Xexclude from comparison
DescriptionCockroachDB is a distributed database architected for modern cloud applications. It is wire compatible with PostgreSQL and backed by a Key-Value Store, which is either RocksDB or a purpose-built derivative, called Pebble.In-memory JavaScript DBMSJavaScript DBMS with an API inspired by CouchDB
Primary database modelRelational DBMSDocument storeDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score4.24
Rank#68  Overall
#36  Relational DBMS
Score0.38
Rank#268  Overall
#43  Document stores
Score2.08
Rank#116  Overall
#21  Document stores
Websitewww.cockroachlabs.comgithub.com/­techfort/­LokiJSpouchdb.com
Technical documentationwww.cockroachlabs.com/­docstechfort.github.io/­LokiJSpouchdb.com/­guides
DeveloperCockroach LabsApache Software Foundation
Initial release201520142012
Current release24.1.0, May 20247.1.1, June 2019
License infoCommercial or Open SourceOpen Source infoApache 2.0, commercial license availableOpen SourceOpen Source
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageGoJavaScriptJavaScript
Server operating systemsLinux
macOS
Windows
server-less, requires a JavaScript environment (browser, Node.js)server-less, requires a JavaScript environment (browser, Node.js)
Data schemedynamic schemaschema-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 SQLyes, wire compatible with PostgreSQLnono
APIs and other access methodsJDBCJavaScript APIHTTP REST infoonly for PouchDB Server
JavaScript API
Supported programming languagesC#
C++
Clojure
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
Rust
JavaScriptJavaScript
Server-side scripts infoStored proceduresnoView functions in JavaScriptView functions in JavaScript
Triggersnoyesyes
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioning (by key range) infoall tables are translated to an ordered KV store and then broken down into 64MB ranges, which are then used as replicas in RAFTnoneSharding infowith a proxy-based framework, named couchdb-lounge
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication using RAFTnoneMulti-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 systemImmediate ConsistencynoneEventual Consistency
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno 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 controlRole-based access controlnono

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More resources
CockroachDBLokiJSPouchDB
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
1 December 2014, Matthias Gelbmann

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Recent citations in the news

Cockroach Labs shakes up its licensing to force bigger companies to pay
15 August 2024, TechCrunch

CockroachDB scuttles away from open source Core offering
19 August 2024, The Register

Now CockroachDB Ditches Open-Source License
20 August 2024, It's FOSS News

CockroachDB retires self-hosted Core offering, makes Enterprise version free for companies under $10M in annual revenue
15 August 2024, SDTimes.com

Cockroach Labs Shifts from Open Core to Single Enterprise Model
19 August 2024, Datanami

provided by Google News

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

provided by Google News



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