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DBMS > EJDB vs. Immudb vs. LokiJS

System Properties Comparison EJDB vs. Immudb vs. LokiJS

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Editorial information provided by DB-Engines
NameEJDB  Xexclude from comparisonImmudb  Xexclude from comparisonLokiJS  Xexclude from comparison
DescriptionEmbeddable document-store database library with JSON representation of queries (in MongoDB style)An open source immutable (append-only) database with cryptographic verification which makes it tamper-resistant and fully auditable.In-memory JavaScript DBMS
Primary database modelDocument storeKey-value storeDocument store
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.31
Rank#295  Overall
#42  Document stores
Score0.27
Rank#304  Overall
#43  Key-value stores
Score0.63
Rank#245  Overall
#37  Document stores
Websiteejdb.orggithub.com/­codenotary/­immudb
www.codenotary.com/­technologies/­immudb
github.com/­techfort/­LokiJS
Technical documentationgithub.com/­Softmotions/­ejdb/­blob/­master/­README.mddocs.immudb.iotechfort.github.io/­LokiJS
DeveloperSoftmotionsCodenotary
Initial release201220202014
Current release1.2.3, April 2022
License infoCommercial or Open SourceOpen Source infoGPLv2Open Source infoApache Version 2.0Open Source
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCGoJavaScript
Server operating systemsserver-lessBSD
Linux
macOS
Solaris
Windows
z/OS
server-less, requires a JavaScript environment (browser, Node.js)
Data schemeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateyes infostring, integer, double, bool, date, object_idno
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.nono
Secondary indexesnoyesyes infovia views
SQL infoSupport of SQLnoSQL-like syntaxno
APIs and other access methodsin-process shared librarygRPC protocol
PostgreSQL wire protocol
JavaScript API
Supported programming languagesActionscript
C
C#
C++
Go
Java
JavaScript (Node.js)
Lua
Objective-C
Pike
Python
Ruby
.Net
Go
Java
JavaScript (Node.js)
Python
JavaScript
Server-side scripts infoStored proceduresnonoView functions in JavaScript
Triggersnonoyes
Partitioning methods infoMethods for storing different data on different nodesnoneShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesnonenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistencynone
Foreign keys infoReferential integrityno infotypically not needed, however similar functionality with collection joins possiblenono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDno infoatomic operations within a single collection possible
Concurrency infoSupport for concurrent manipulation of datayes infoRead/Write Lockingyes
Durability infoSupport for making data persistentyesyesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlnono

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More resources
EJDBImmudbLokiJS
DB-Engines blog posts

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

Open Source immudb Immutable Database Reaches Widespread Adoption
9 August 2022, businesswire.com

immudb First Immutable Database to Provide Extension to Ethereum Blockchain
29 September 2022, businesswire.com

immudb First Immutable Open Source Database to be FedRAMP Compliant
13 October 2022, businesswire.com

ImmuDB and Codenotary: It's a database, but the company isn't
20 December 2021, ZDNet

Immutable Database Open Source (immudb) Gains Widespread Adoption
18 August 2022, Open Source For You

provided by Google News

LokiJS - A JavaScript Database
18 November 2014, iProgrammer

provided by Google News

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