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DBMS > EXASOL vs. PostGIS vs. RDF4J vs. Rockset

System Properties Comparison EXASOL vs. PostGIS vs. RDF4J vs. Rockset

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Editorial information provided by DB-Engines
NameEXASOL  Xexclude from comparisonPostGIS  Xexclude from comparisonRDF4J infoformerly known as Sesame  Xexclude from comparisonRockset  Xexclude from comparison
DescriptionHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.Spatial extension of PostgreSQLRDF4J is a Java framework for processing RDF data, supporting both memory-based and a disk-based storage.A scalable, reliable search and analytics service in the cloud, built on RocksDB
Primary database modelRelational DBMSSpatial DBMSRDF storeDocument store
Secondary database modelsRelational DBMSRelational DBMS
Search engine
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.25
Rank#120  Overall
#57  Relational DBMS
Score23.90
Rank#29  Overall
#1  Spatial DBMS
Score0.71
Rank#231  Overall
#9  RDF stores
Score0.84
Rank#209  Overall
#35  Document stores
Websitewww.exasol.compostgis.netrdf4j.orgrockset.com
Technical documentationwww.exasol.com/­resourcespostgis.net/­documentationrdf4j.org/­documentationdocs.rockset.com
DeveloperExasolSince 2016 officially forked into an Eclipse project, former developer was Aduna Software.Rockset
Initial release2000200520042019
Current release3.4.2, February 2024
License infoCommercial or Open SourcecommercialOpen Source infoGPL v2.0Open Source infoEclipse Distribution License (EDL), v1.0.commercial
Cloud-based only infoOnly available as a cloud servicenononoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCJavaC++
Server operating systemsLinux
OS X
Unix
Windows
hosted
Data schemeyesyesyes infoRDF Schemasschema-free
Typing infopredefined data types such as float or dateyesyesyesdynamic typing
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.noyesno infoingestion from XML files supported
Secondary indexesyesyesyesall fields are automatically indexed
SQL infoSupport of SQLyesyesnoRead-only SQL queries, including JOINs
APIs and other access methods.Net
JDBC
ODBC
WebSocket
Java API
RIO infoRDF Input/Output
Sail API
SeRQL infoSesame RDF Query Language
Sesame REST HTTP Protocol
SPARQL
HTTP REST
Supported programming languagesJava
Lua
Python
R
Java
PHP
Python
Go
Java
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresuser defined functionsuser defined functionsyesno
Triggersyesyesyesno
Partitioning methods infoMethods for storing different data on different nodesShardingyes infobased on PostgreSQLnoneAutomatic sharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infobased on PostgreSQLnoneyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoHadoop integrationnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integrityyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACID infoIsolation support depends on the API usedno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyes 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 controlAccess rights for users, groups and roles according to SQL-standardyes infobased on PostgreSQLnoAccess rights for users and organizations can be defined via Rockset console

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More resources
EXASOLPostGISRDF4J infoformerly known as SesameRockset
DB-Engines blog posts

Spatial database management systems
6 April 2021, Matthias Gelbmann

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