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DBMS > EXASOL vs. FoundationDB vs. IRONdb vs. Nebula Graph vs. RDF4J

System Properties Comparison EXASOL vs. FoundationDB vs. IRONdb vs. Nebula Graph vs. RDF4J

Editorial information provided by DB-Engines
NameEXASOL  Xexclude from comparisonFoundationDB  Xexclude from comparisonIRONdb  Xexclude from comparisonNebula Graph  Xexclude from comparisonRDF4J infoformerly known as Sesame  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Created as commercial project in 2013, FoundationDB has been acquired by Apple in March 2015 and was withdrawn from the market.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.
DescriptionHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.Ordered key-value store. Core features are complimented by layers.A distributed Time Series DBMS with a focus on scalability, fault tolerance and operational simplicityA distributed, linear scalable, high perfomant Graph DBMSRDF4J is a Java framework for processing RDF data, supporting both memory-based and a disk-based storage.
Primary database modelRelational DBMSDocument store infosupported via specific layer
Key-value store
Relational DBMS infosupported via specific SQL-layer
Time Series DBMSGraph DBMSRDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.53
Rank#91  Overall
#47  Relational DBMS
Score1.29
Rank#152  Overall
#26  Document stores
#28  Key-value stores
#72  Relational DBMS
Score0.03
Rank#334  Overall
#33  Time Series DBMS
Score1.14
Rank#164  Overall
#15  Graph DBMS
Score0.68
Rank#211  Overall
#9  RDF stores
Websitewww.exasol.comwww.foundationdb.orgwww.circonus.com/­solutions/­time-series-databasegithub.com/­vesoft-inc/­nebula
nebula-graph.io
rdf4j.org
Technical documentationwww.exasol.com/­resourcesapple.github.io/­foundationdbdocs.circonus.com/­irondbdocs.nebula-graph.iordf4j.org/­documentation
DeveloperExasolFoundationDBCirconus LLC.Vesoft Inc.Since 2016 officially forked into an Eclipse project, former developer was Aduna Software.
Initial release20002013201720192004
Current release6.2.28, November 2020V0.10.20, January 2018
License infoCommercial or Open SourcecommercialOpen Source infoApache 2.0commercialOpen Source infoApache Version 2.0 + Common Clause 1.0Open Source infoEclipse Distribution License (EDL), v1.0.
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++C and C++C++Java
Server operating systemsLinux
OS X
Windows
LinuxLinuxLinux
OS X
Unix
Windows
Data schemeyesschema-free infosome layers support schemasschema-freeStrong typed schemayes infoRDF Schemas
Typing infopredefined data types such as float or dateyesno infosome layers support typingyes infotext, numeric, histogramsyesyes
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 indexesyesnonoyes infoNebula Graph internally uses the Key-Value store RocksDB for persistency. The vertices, edges, and their properties are stored as Key while their values are stored as Value. The primary indexes are per Key and secondary indexes are per Value.yes
SQL infoSupport of SQLyessupported in specific SQL layer onlySQL-like query language (Circonus Analytics Query Language: CAQL)SQL-like query languageno
APIs and other access methods.Net
JDBC
ODBC
WebSocket
HTTP APIBrowser interface
console (shell)
Proprietary native API
Query language nGQL
Java API
RIO infoRDF Input/Output
Sail API
SeRQL infoSesame RDF Query Language
Sesame REST HTTP Protocol
SPARQL
Supported programming languagesJava
Lua
Python
R
.Net
C
C++
Go
Java
JavaScript infoNode.js
PHP
Python
Ruby
Swift
.Net
C
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript
JavaScript (Node.js)
Lisp
Lua
Perl
PHP
Python
R
Ruby
Rust
Scala
C++
Go
Java
Python
Java
PHP
Python
Server-side scripts infoStored proceduresuser defined functionsin SQL-layer onlyyes, in Luayes
Triggersyesnonoyes
Partitioning methods infoMethods for storing different data on different nodesShardingShardingAutomatic, metric affinity per nodeShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesyesconfigurable replication factor, datacenter awareCausal Clustering using Raft protocolnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoHadoop integrationnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyLinearizable consistencyImmediate consistency per node, eventual consistency across nodesImmediate Consistency
Foreign keys infoReferential integrityyesin SQL-layer onlynoyes infoRelationships in graphs
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDnoACIDACID infoIsolation support depends on the API used
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes infousing RocksDByes infoin-memory storage is supported as well
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyes
User concepts infoAccess controlAccess rights for users, groups and roles according to SQL-standardnonoRole-based access controlno
More information provided by the system vendor
EXASOLFoundationDBIRONdbNebula GraphRDF4J infoformerly known as Sesame
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More resources
EXASOLFoundationDBIRONdbNebula GraphRDF4J infoformerly known as Sesame
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