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DBMS > Postgres-XL vs. Stardog

System Properties Comparison Postgres-XL vs. Stardog

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Editorial information provided by DB-Engines
NamePostgres-XL  Xexclude from comparisonStardog  Xexclude from comparison
DescriptionBased on PostgreSQL enhanced with MPP and write-scale-out cluster featuresSemantic graph DBMS, developed in Java
Primary database modelRelational DBMSGraph DBMS
RDF store
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.44
Rank#209  Overall
#100  Relational DBMS
Score0.81
Rank#166  Overall
#12  Graph DBMS
#7  RDF stores
Websitewww.postgres-xl.orgwww.stardog.com
Technical documentationwww.postgres-xl.org/­documentationwww.stardog.com/­docs
DeveloperComplexible Inc.
Initial release2014 infosince 2012, originally named StormDB2010
Current release10 R1, October 20184.2.4, March 2017
License infoCommercial or Open SourceOpen Source infoMozilla public licensecommercial infoLimited community edition free
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCJava
Server operating systemsLinux
macOS
All OS with a Java VM
Data schemeyesschema-free
Typing infopredefined data types such as float or dateyesyes
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.yes infoXML type, but no XML query functionalityno infoImport/export of XML data possible
Secondary indexesyesyes
SQL infoSupport of SQLyes infodistributed, parallel query executionSPARQL is used as query language
APIs and other access methodsnative C library
streaming API for large objects
ADO.NET
JDBC
ODBC
HTTP API
OWL
SPARQL
Tinkerpop technology stack with Blueprints, Gremlin, Pipes
Supported programming languages.Net
C
C++
Delphi
Erlang
Java
JavaScript (Node.js)
Perl
PHP
Python
Tcl
.Net
Clojure
Groovy
Java
JavaScript
Python
Ruby
Server-side scripts infoStored proceduresuser defined functionsno
Triggersyesyes infovia event handlers
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningnone
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-master replication in HA-Cluster infousing Apache ZooKeeper
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency in HA-Cluster
Foreign keys infoReferential integrityyesyes inforelationships in graphs
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID infoMVCCACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlfine grained access rights according to SQL-standardAccess rights for users and roles

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More resources
Postgres-XLStardog
Recent citations in the news

Building a scalable PostgreSQL solution
14 April 2019, Packt Hub

Interview with Frank Huerta and Mason Sharp on PostGres-XL
13 May 2014, opensource.com

When PostgreSQL Doesn't Scale Well Enough
18 April 2016, DZone News

PostgreSQL vs. Hadoop
20 August 2016, DZone News

provided by Google News

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