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DBMS > Postgres-XL vs. STSdb

System Properties Comparison Postgres-XL vs. STSdb

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Editorial information provided by DB-Engines
NamePostgres-XL  Xexclude from comparisonSTSdb  Xexclude from comparison
DescriptionBased on PostgreSQL enhanced with MPP and write-scale-out cluster featuresKey-Value Store with special method for indexing infooptimized for high performance using a special indexing method
Primary database modelRelational DBMSKey-value store
Secondary database modelsDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.70
Rank#206  Overall
#97  Relational DBMS
Score0.01
Rank#345  Overall
#53  Key-value stores
Websitewww.postgres-xl.orggithub.com/­STSSoft/­STSdb4
Technical documentationwww.postgres-xl.org/­documentation
DeveloperSTS Soft SC
Initial release2014 infosince 2012, originally named StormDB2011
Current release10 R1, October 20184.0.8, September 2015
License infoCommercial or Open SourceOpen Source infoMozilla public licenseOpen Source infoGPLv2, commercial license available
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCC#
Server operating systemsLinux
macOS
Windows
Data schemeyesyes
Typing infopredefined data types such as float or dateyesyes infoprimitive types and user defined types (classes)
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 functionality
Secondary indexesyesno
SQL infoSupport of SQLyes infodistributed, parallel query executionno
APIs and other access methodsADO.NET
JDBC
native C library
ODBC
streaming API for large objects
.NET Client API
Supported programming languages.Net
C
C++
Delphi
Erlang
Java
JavaScript (Node.js)
Perl
PHP
Python
Tcl
C#
Java
Server-side scripts infoStored proceduresuser defined functionsno
Triggersyesno
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningnone
Replication methods infoMethods for redundantly storing data on multiple nodesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID infoMVCCno
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.no
User concepts infoAccess controlfine grained access rights according to SQL-standardno

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More resources
Postgres-XLSTSdb
Recent citations in the news

Postgres-XL released to tackle big data analytics and more
13 May 2014, Opensource.com

Building a scalable PostgreSQL solution
14 April 2019, Packt Hub

provided by Google News



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