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DBMS > GeoMesa vs. PostGIS vs. Quasardb vs. RDFox

System Properties Comparison GeoMesa vs. PostGIS vs. Quasardb vs. RDFox

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Editorial information provided by DB-Engines
NameGeoMesa  Xexclude from comparisonPostGIS  Xexclude from comparisonQuasardb  Xexclude from comparisonRDFox  Xexclude from comparison
DescriptionGeoMesa is a distributed spatio-temporal DBMS based on various systems as storage layer.Spatial extension of PostgreSQLDistributed, high-performance timeseries databaseHigh performance knowledge graph and semantic reasoning engine
Primary database modelSpatial DBMSSpatial DBMSTime Series DBMSGraph DBMS
RDF store
Secondary database modelsRelational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.86
Rank#205  Overall
#4  Spatial DBMS
Score21.72
Rank#29  Overall
#1  Spatial DBMS
Score0.21
Rank#322  Overall
#29  Time Series DBMS
Score0.29
Rank#300  Overall
#24  Graph DBMS
#13  RDF stores
Websitewww.geomesa.orgpostgis.netquasar.aiwww.oxfordsemantic.tech
Technical documentationwww.geomesa.org/­documentation/­stable/­user/­index.htmlpostgis.net/­documentationdoc.quasar.ai/­masterdocs.oxfordsemantic.tech
DeveloperCCRi and othersquasardbOxford Semantic Technologies
Initial release2014200520092017
Current release5.0.0, May 20243.4.2, February 20243.14.1, January 20246.0, Septermber 2022
License infoCommercial or Open SourceOpen Source infoApache License 2.0Open Source infoGPL v2.0commercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licensescommercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageScalaCC++C++
Server operating systemsBSD
Linux
OS X
Windows
Linux
macOS
Windows
Data schemeyesyesschema-freeyes infoRDF schemas
Typing infopredefined data types such as float or dateyesyesyes infointeger and binaryyes
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
Secondary indexesyesyesyes infowith tags
SQL infoSupport of SQLnoyesSQL-like query languageno
APIs and other access methodsHTTP APIRESTful HTTP API
SPARQL 1.1
Supported programming languages.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
C
Java
Server-side scripts infoStored proceduresnouser defined functionsno
Triggersnoyesno
Partitioning methods infoMethods for storing different data on different nodesdepending on storage layeryes infobased on PostgreSQLSharding infoconsistent hashing
Replication methods infoMethods for redundantly storing data on multiple nodesdepending on storage layeryes infobased on PostgreSQLSource-replica replication with selectable replication factorreplication via a shared file system
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnowith Hadoop integration
Consistency concepts infoMethods to ensure consistency in a distributed systemdepending on storage layerImmediate ConsistencyImmediate ConsistencyImmediate Consistency in stand-alone mode, Eventual Consistency in replicated setups
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes infoby using LevelDByes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.depending on storage layernoyes infoTransient modeyes
User concepts infoAccess controlyes infodepending on the DBMS used for storageyes infobased on PostgreSQLCryptographically strong user authentication and audit trailRoles, resources, and access types

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More resources
GeoMesaPostGISQuasardbRDFox
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