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DBMS > FoundationDB vs. LokiJS vs. Oracle Rdb

System Properties Comparison FoundationDB vs. LokiJS vs. Oracle Rdb

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Editorial information provided by DB-Engines
NameFoundationDB  Xexclude from comparisonLokiJS  Xexclude from comparisonOracle Rdb  Xexclude from comparison
Created as commercial project in 2013, FoundationDB has been acquired by Apple in March 2015 and was withdrawn from the market. As a consequence, the product was removed from the DB-Engines ranking. In April 2018, Apple open-sourced FoundationDB and it therefore reappears in the ranking.
DescriptionOrdered key-value store. Core features are complimented by layers.In-memory JavaScript DBMS
Primary database modelDocument store infosupported via specific layer
Key-value store
Relational DBMS infosupported via specific SQL-layer
Document storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.03
Rank#190  Overall
#31  Document stores
#28  Key-value stores
#89  Relational DBMS
Score0.43
Rank#264  Overall
#42  Document stores
Score1.08
Rank#184  Overall
#85  Relational DBMS
Websitegithub.com/­apple/­foundationdbgithub.com/­techfort/­LokiJSwww.oracle.com/­database/­technologies/­related/­rdb.html
Technical documentationapple.github.io/­foundationdbtechfort.github.io/­LokiJSwww.oracle.com/­database/­technologies/­related/­rdb-doc.html
DeveloperFoundationDBOracle, originally developed by Digital Equipment Corporation (DEC)
Initial release201320141984
Current release6.2.28, November 20207.4.1.1, 2021
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Sourcecommercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++JavaScript
Server operating systemsLinux
OS X
Windows
server-less, requires a JavaScript environment (browser, Node.js)HP Open VMS
Data schemeschema-free infosome layers support schemasschema-freeFlexible Schema (defined schema, partial schema, schema free)
Typing infopredefined data types such as float or dateno infosome layers support typingnoyes
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 indexesnoyes infovia viewsyes
SQL infoSupport of SQLsupported in specific SQL layer onlynoyes
APIs and other access methodsJavaScript API
Supported programming languages.Net
C
C++
Go
Java
JavaScript infoNode.js
PHP
Python
Ruby
Swift
JavaScript
Server-side scripts infoStored proceduresin SQL-layer onlyView functions in JavaScript
Triggersnoyes
Partitioning methods infoMethods for storing different data on different nodesShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesyesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemLinearizable consistencynoneImmediate Consistency
Foreign keys infoReferential integrityin SQL-layer onlynoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno infoatomic operations within a single collection possibleyes, on a single node
Concurrency infoSupport for concurrent manipulation of datayesyes
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
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlnono

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More resources
FoundationDBLokiJSOracle Rdb
DB-Engines blog posts

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