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DBMS > Postgres-XL vs. Valkey vs. YTsaurus

System Properties Comparison Postgres-XL vs. Valkey vs. YTsaurus

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Editorial information provided by DB-Engines
NamePostgres-XL  Xexclude from comparisonValkey infoOpen source key/value datastore  Xexclude from comparisonYTsaurus  Xexclude from comparison
DescriptionBased on PostgreSQL enhanced with MPP and write-scale-out cluster featuresOpen source key/value datastoreYTsaurus is an open source platform for distributed storage and processing.
Primary database modelRelational DBMSKey-value storeDocument store
Key-value store
Secondary database modelsDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.33
Rank#270  Overall
#123  Relational DBMS
Score1.35
Rank#153  Overall
#25  Key-value stores
Score0.22
Rank#306  Overall
#45  Document stores
#45  Key-value stores
Websitewww.postgres-xl.orgvalkey.ioytsaurus.tech
Technical documentationwww.postgres-xl.org/­documentationgithub.com/­valkey-io/­valkeyytsaurus.tech/­docs/­en
DeveloperYandex
Initial release2014 infosince 2012, originally named StormDB20242023
Current release10 R1, October 2018Valkey 8.0.1, October 2024
License infoCommercial or Open SourceOpen Source infoMozilla public licenseOpen SourceOpen Source infoApache License, Version 2.0
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCCC++
Server operating systemsLinux
macOS
Ubuntu
Data schemeyes
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
Secondary indexesyes
SQL infoSupport of SQLyes infodistributed, parallel query executionYQL, an SQL-based language, is supported
APIs and other access methodsADO.NET
JDBC
native C library
ODBC
streaming API for large objects
Supported programming languages.Net
C
C++
Delphi
Erlang
Java
JavaScript (Node.js)
Perl
PHP
Python
Tcl
C++
Go
Java
JavaScript
Python
Server-side scripts infoStored proceduresuser defined functions
Triggersyesno
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyes
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 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.no
User concepts infoAccess controlfine grained access rights according to SQL-standardAccess Control Lists

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More resources
Postgres-XLValkey infoOpen source key/value datastoreYTsaurus
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