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DBMS > LokiJS vs. PouchDB vs. RocksDB

System Properties Comparison LokiJS vs. PouchDB vs. RocksDB

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Editorial information provided by DB-Engines
NameLokiJS  Xexclude from comparisonPouchDB  Xexclude from comparisonRocksDB  Xexclude from comparison
DescriptionIn-memory JavaScript DBMSJavaScript DBMS with an API inspired by CouchDBEmbeddable persistent key-value store optimized for fast storage (flash and RAM)
Primary database modelDocument storeDocument storeKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.41
Rank#263  Overall
#41  Document stores
Score2.18
Rank#114  Overall
#21  Document stores
Score3.05
Rank#88  Overall
#12  Key-value stores
Websitegithub.com/­techfort/­LokiJSpouchdb.comrocksdb.org
Technical documentationtechfort.github.io/­LokiJSpouchdb.com/­guidesgithub.com/­facebook/­rocksdb/­wiki
DeveloperApache Software FoundationFacebook, Inc.
Initial release201420122013
Current release7.1.1, June 20199.4.0, June 2024
License infoCommercial or Open SourceOpen SourceOpen SourceOpen Source infoBSD
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScriptJavaScriptC++
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-free
Typing infopredefined data types such as float or datenonono
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 indexesyes infovia viewsyes infovia viewsno
SQL infoSupport of SQLnonono
APIs and other access methodsJavaScript APIHTTP REST infoonly for PouchDB Server
JavaScript API
C++ API
Java API
Supported programming languagesJavaScriptJavaScriptC
C++
Go
Java
Perl
Python
Ruby
Server-side scripts infoStored proceduresView functions in JavaScriptView functions in JavaScriptno
Triggersyesyes
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infowith a proxy-based framework, named couchdb-loungehorizontal partitioning
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 methodsyesyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneEventual Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoatomic operations within a single collection possiblenoyes
Concurrency infoSupport for concurrent manipulation of datayes
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 backendyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes
User concepts infoAccess controlnonono

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More resources
LokiJSPouchDBRocksDB
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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