DB-EnginesInfluxDB download bannerEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > KeyDB vs. LevelDB vs. RDF4J vs. Sequoiadb

System Properties Comparison KeyDB vs. LevelDB vs. RDF4J vs. Sequoiadb

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameKeyDB  Xexclude from comparisonLevelDB  Xexclude from comparisonRDF4J infoformerly known as Sesame  Xexclude from comparisonSequoiadb  Xexclude from comparison
DescriptionAn ultra-fast, open source Key-value store fully compatible with Redis API, modules, and protocolsEmbeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesRDF4J is a Java framework for processing RDF data, supporting both memory-based and a disk-based storage.NewSQL database with distributed OLTP and SQL
Primary database modelKey-value storeKey-value storeRDF storeDocument store
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.16
Rank#276  Overall
#45  Key-value stores
Score2.58
Rank#93  Overall
#16  Key-value stores
Score0.44
Rank#218  Overall
#9  RDF stores
Score0.29
Rank#247  Overall
#34  Document stores
#117  Relational DBMS
Websitegithub.com/­JohnSully/­KeyDB
keydb.dev
github.com/­google/­leveldbrdf4j.orgwww.sequoiadb.com
Technical documentationdocs.keydb.dev/­docs/­introgithub.com/­google/­leveldb/­blob/­master/­doc/­index.mdrdf4j.org/­documentationwww.sequoiadb.com/­en/­index.php?m=Files&a=index
DeveloperEQ Alpha Technology Ltd.GoogleSince 2016 officially forked into an Eclipse project, former developer was Aduna Software.Sequoiadb Ltd.
Initial release2019201120042013
Current release1.22, May 2019
License infoCommercial or Open SourceOpen Source infoBSD-3Open Source infoBSDOpen Source infoEclipse Distribution License (EDL), v1.0.Open Source infoServer: AGPL; Client: Apache V2
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++C++JavaC++
Server operating systemsLinuxIllumos
Linux
OS X
Windows
Linux
OS X
Unix
Windows
Linux
Data schemeschema-freeschema-freeyes infoRDF Schemasschema-free
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 indexesnoyesyes infooid, date, timestamp, binary, regex
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 infoby using the Redis Search modulenoyesyes
SQL infoSupport of SQLnononoSQL-like query language
APIs and other access methodsProprietary protocol infoRESP - REdis Serialization ProtocoJava API
RIO infoRDF Input/Output
Sail API
SeRQL infoSesame RDF Query Language
Sesame REST HTTP Protocol
SPARQL
proprietary protocol using JSON
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++
Go
Java info3rd party binding
JavaScript (Node.js) info3rd party binding
Python info3rd party binding
Java
PHP
Python
.Net
C++
Java
PHP
Python
Server-side scripts infoStored proceduresLuanoyesJavaScript
Triggersnonoyesno
Partitioning methods infoMethods for storing different data on different nodesShardingnonenoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-slave replication
Multi-master replication
nonenoneMaster-slave replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Strong eventual consistency with CRDTs
Immediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataOptimistic locking, atomic execution of commands blocks and scriptsnoACID infoIsolation support depends on the API usedDocument is locked during a transaction
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyes infoConfigurable mechanisms for persistency via snapshots and/or operations logsyes infowith automatic compression on writesyes infoin-memory storage is supported as wellyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlsimple password-based access control and ACLnonosimple password-based access control

More information provided by the system vendor

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

Related products and services

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
KeyDBLevelDBRDF4J infoformerly known as SesameSequoiadb
Recent citations in the news

Redis 6 arrives with multithreading for faster I/O
30 April 2020, InfoWorld

Benchmarks for Amazon's Graviton2 Arm Processor
11 March 2020, InfoQ.com

This Blu-ray Disc needs a library for AACS decoding for VLC Media Player
6 February 2019, TWCN Tech News

Using Vault With MySQL
17 November 2016, DZone News

Divide and Conquer: High Scalability With MongoDB Sharding
1 November 2016, DZone News

provided by Google News

AMD EPYC vs. Intel Xeon Cascadelake With Facebook's RocksDB Database
17 October 2019, Phoronix

Service in regedit listed twice, when I delete they come back!! - Virus, Trojan, Spyware, and Malware Removal Help
15 February 2020, BleepingComputer

Couchbase replaces its storage engine with homegrown ForestDB
2 October 2014, Gigaom

Samsung Announces Standards-Compliant Key-Value SSD Prototype
5 September 2019, AnandTech

Facebook open sources low-latency scalable database - Software - Storage
22 November 2013, iT News

provided by Google News

Ontotext's GraphDB 9.2 Supports RDF* to Match the Expressivity of Property Graphs
30 April 2020, Yahoo Finance

Big data database Apache Rya becomes a Top Level Project
10 October 2019, JAXenter

GraphDB Goes Open Source
27 January 2020, iProgrammer

Amazon Neptune review: A scalable graph database for OLTP
13 May 2019, InfoWorld

Apache Rya matures open source triple store database
17 October 2019, TechTarget

provided by Google News

Operational Database Management Systems (OPDBMS) Software Market 2020: Potential growth, attractive valuation make it is a long-term investment | Know the COVID19 Impact | Top Players: Oracle, Microsoft, SAP SE, IBM, Amazon Web Services, etc. | InForGrowth
26 May 2020, Cole of Duty

SequoiaDB 3.0 Released, New-Generation Multi-Model NewSQL Database
25 June 2018, PR Newswire

Global Operational Database Management Systems (OPDBMS) Software Market Report 2020
11 May 2020, Cole of Duty

Potential impact of coronavirus outbreak on Ready To Use Operational Database Management Systems (OPDBMS) Software Market Global Industry Analysis, Trends and Forecast, 2019-2023
26 May 2020, Jewish Life News

New Fund, New IPOs: The Era Of Successful China VC Investing Hasn't Ended Here
15 May 2020, Forbes

provided by Google News

Job opportunities

Software Engineer
DataDog, Denver, CO

jobs by Indeed




Share this page

Featured Products

Couchbase logo

SQL + JSON + NoSQL.
Power, flexibility & scale.
All open source.
Get started now.

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

Neo4j logo

Get your free copy of the new O'Reilly book Graph Algorithms with 20+ examples for
machine learning, graph analytics and more.

Datastax Luna logo

Simple, subscription-based support for open source
Apache Cassandraâ„¢ from the Cassandra experts.
Learn more.

AllegroGraph logo

Graph Database Leader for AI Knowledge Graph Applications - The Most Secure Graph Database Available.
Free Download

Present your product here