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DBMS > Postgres-XL vs. Tarantool

System Properties Comparison Postgres-XL vs. Tarantool

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Editorial information provided by DB-Engines
NamePostgres-XL  Xexclude from comparisonTarantool  Xexclude from comparison
DescriptionBased on PostgreSQL enhanced with MPP and write-scale-out cluster featuresIn-memory database with an integrated application server
Primary database modelRelational DBMSKey-value store
Secondary database modelsDocument store
Spatial DBMS
Document store
Relational DBMS
Spatial DBMS infowith Tarantool/GIS extension
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.69
Rank#209  Overall
#103  Relational DBMS
Score1.56
Rank#137  Overall
#26  Key-value stores
Websitewww.postgres-xl.orgwww.tarantool.io
Technical documentationwww.postgres-xl.org/­documentationwww.tarantool.io/­en/­doc
DeveloperMail.ru Group
Initial release2014 infosince 2012, originally named StormDB2008
Current release10 R1, October 20182.4.2, July 2020
License infoCommercial or Open SourceOpen Source infoMozilla public licenseOpen Source infoBSD
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageCC and C++
Server operating systemsLinux
macOS
BSD
Linux
macOS
Data schemeyesschema-free, schema definition possible
Typing infopredefined data types such as float or dateyesstring, double, decimal, uuid, integer, blob, boolean
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 indexesyesyes
SQL infoSupport of SQLyes infodistributed, parallel query executionFull-featured ANSI SQL support
APIs and other access methodsADO.NET
JDBC
native C library
ODBC
streaming API for large objects
Open binary protocol
Supported programming languages.Net
C
C++
Delphi
Erlang
Java
JavaScript (Node.js)
Perl
PHP
Python
Tcl
C
C#
C++
Erlang
Go
Java
JavaScript
Lua
Perl
PHP
Python
Rust
Server-side scripts infoStored proceduresuser defined functionsLua, C and SQL stored procedures
Triggersyesyes
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningHash sharding based on virtual buckets
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesyes, with SQL
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID infoMVCCACID, read commited
Concurrency infoSupport for concurrent manipulation of datayesyes, cooperative multitasking
Durability infoSupport for making data persistentyesyes, regular snapshots on disk, write ahead logging
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes, full featured in-memory storage engine with persistence
User concepts infoAccess controlfine grained access rights according to SQL-standardAccess rights for users and roles

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Postgres-XLTarantool
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