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DBMS > FoundationDB vs. PostGIS vs. RDFox

System Properties Comparison FoundationDB vs. PostGIS vs. RDFox

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Editorial information provided by DB-Engines
NameFoundationDB  Xexclude from comparisonPostGIS  Xexclude from comparisonRDFox  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Created as commercial project in 2013, FoundationDB has been acquired by Apple in March 2015 and was withdrawn from the market.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.Spatial extension of PostgreSQLHigh performance knowledge graph and semantic reasoning engine
Primary database modelDocument store infosupported via specific layer
Key-value store
Relational DBMS infosupported via specific SQL-layer
Spatial DBMSGraph DBMS
RDF store
Secondary database modelsRelational DBMSRelational 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
Score22.69
Rank#29  Overall
#1  Spatial DBMS
Score0.23
Rank#308  Overall
#25  Graph DBMS
#14  RDF stores
Websitegithub.com/­apple/­foundationdbpostgis.netwww.oxfordsemantic.tech
Technical documentationapple.github.io/­foundationdbpostgis.net/­documentationdocs.oxfordsemantic.tech
DeveloperFoundationDBOxford Semantic Technologies
Initial release201320052017
Current release6.2.28, November 20203.4.2, February 20246.0, Septermber 2022
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoGPL v2.0commercial
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++CC++
Server operating systemsLinux
OS X
Windows
Linux
macOS
Windows
Data schemeschema-free infosome layers support schemasyesyes infoRDF schemas
Typing infopredefined data types such as float or dateno infosome layers support typingyesyes
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.yes
Secondary indexesnoyes
SQL infoSupport of SQLsupported in specific SQL layer onlyyesno
APIs and other access methodsRESTful HTTP API
SPARQL 1.1
Supported programming languages.Net
C
C++
Go
Java
JavaScript infoNode.js
PHP
Python
Ruby
Swift
C
Java
Server-side scripts infoStored proceduresin SQL-layer onlyuser defined functions
Triggersnoyes
Partitioning methods infoMethods for storing different data on different nodesShardingyes infobased on PostgreSQL
Replication methods infoMethods for redundantly storing data on multiple nodesyesyes infobased on PostgreSQLreplication via a shared file system
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemLinearizable consistencyImmediate ConsistencyImmediate Consistency in stand-alone mode, Eventual Consistency in replicated setups
Foreign keys infoReferential integrityin SQL-layer onlyyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlnoyes infobased on PostgreSQLRoles, resources, and access types

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More resources
FoundationDBPostGISRDFox
DB-Engines blog posts

Spatial database management systems
6 April 2021, Matthias Gelbmann

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