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DBMS > KeyDB vs. RDFox

System Properties Comparison KeyDB vs. RDFox

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Editorial information provided by DB-Engines
NameKeyDB  Xexclude from comparisonRDFox  Xexclude from comparison
DescriptionAn ultra-fast, open source Key-value store fully compatible with Redis API, modules, and protocolsHigh performance knowledge graph and semantic reasoning engine
Primary database modelKey-value storeGraph DBMS
RDF store
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.80
Rank#219  Overall
#31  Key-value stores
Score0.24
Rank#309  Overall
#25  Graph DBMS
#14  RDF stores
Websitegithub.com/­Snapchat/­KeyDB
keydb.dev
www.oxfordsemantic.tech
Technical documentationdocs.keydb.devdocs.oxfordsemantic.tech
DeveloperEQ Alpha Technology Ltd.Oxford Semantic Technologies
Initial release20192017
Current release6.0, Septermber 2022
License infoCommercial or Open SourceOpen Source infoBSD-3commercial
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++C++
Server operating systemsLinuxLinux
macOS
Windows
Data schemeschema-freeyes infoRDF schemas
Typing infopredefined data types such as float or datepartial infoSupported data types are strings, hashes, lists, sets and sorted sets, bit arrays, hyperloglogs and geospatial indexesyes
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.no
Secondary indexesyes infoby using the Redis Search module
SQL infoSupport of SQLnono
APIs and other access methodsProprietary protocol infoRESP - REdis Serialization ProtocoRESTful HTTP API
SPARQL 1.1
Supported programming languagesC
C#
C++
Clojure
Crystal
D
Dart
Elixir
Erlang
Fancy
Go
Haskell
Haxe
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Objective-C
OCaml
Pascal
Perl
PHP
Prolog
Pure Data
Python
R
Rebol
Ruby
Rust
Scala
Scheme
Smalltalk
Swift
Tcl
Visual Basic
C
Java
Server-side scripts infoStored proceduresLua
Triggersno
Partitioning methods infoMethods for storing different data on different nodesSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
replication via a shared file system
MapReduce infoOffers an API for user-defined Map/Reduce methodsno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Strong eventual consistency with CRDTs
Immediate Consistency in stand-alone mode, Eventual Consistency in replicated setups
Foreign keys infoReferential integrityno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataOptimistic locking, atomic execution of commands blocks and scriptsACID
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyes infoConfigurable mechanisms for persistency via snapshots and/or operations logsyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlsimple password-based access control and ACLRoles, resources, and access types

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More resources
KeyDBRDFox
Recent citations in the news

Snap snaps up database developer KeyDB to make its infrastructure more snappy
12 May 2022, TechCrunch

Snap Acquires KeyDB for Open-Source Services
17 May 2022, XR Today

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18 March 2024, microsoft.com

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20 March 2023, Phoronix

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