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DBMS > EventStoreDB vs. Postgres-XL

System Properties Comparison EventStoreDB vs. Postgres-XL

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Editorial information provided by DB-Engines
NameEventStoreDB  Xexclude from comparisonPostgres-XL  Xexclude from comparison
DescriptionIndustrial-strength, open-source database solution built from the ground up for event sourcing.Based on PostgreSQL enhanced with MPP and write-scale-out cluster features
Primary database modelEvent StoreRelational DBMS
Secondary database modelsDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.89
Rank#185  Overall
#1  Event Stores
Score0.59
Rank#225  Overall
#110  Relational DBMS
Websitewww.eventstore.comwww.postgres-xl.org
Technical documentationdevelopers.eventstore.comwww.postgres-xl.org/­documentation
DeveloperEvent Store Limited
Initial release20122014 infosince 2012, originally named StormDB
Current release21.2, February 202110 R1, October 2018
License infoCommercial or Open SourceOpen SourceOpen Source infoMozilla public license
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.
Event Store Cloud allows you to deploy a managed EventStoreDB cluster in AWS, GCP and Azure (coming soon).
Implementation languageC
Server operating systemsLinux
Windows
Linux
macOS
Data schemeyes
Typing infopredefined data types such as float or dateyes
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 indexesyes
SQL infoSupport of SQLyes infodistributed, parallel query execution
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
Server-side scripts infoStored proceduresuser defined functions
Triggersyes
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioning
MapReduce infoOffers an API for user-defined Map/Reduce methodsno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID infoMVCC
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyes
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-standard
More information provided by the system vendor
EventStoreDBPostgres-XL
Specific characteristicsGuaranteed writes Great performance that scales Immutable data store High availability...
» more
Competitive advantagesEventStoreDB's core database server is used in production systems worldwide. The...
» more
Typical application scenariosEvent-sourced systems Event-driven architecture
» more
Key customersEventStoreDB is used by companies across a whole range of industries. Here are just...
» more
Licensing and pricing modelsAvailable as open-source software and licensed under the 3-clause BSD license ( https://github.com/EventStore/EventStore/blob/master/LICENSE.md...
» more

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and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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More resources
EventStoreDBPostgres-XL
Recent citations in the news

EventStoreDB 20.10 Released with Support for gRPC and Improved Security
7 January 2021, InfoQ.com

Event Store Cloud Has Entered General Availability USA - English USA
11 June 2021, PR Newswire India

Event Store Secures Series A Investment USA - English USA - English
29 September 2020, PRNewswire

Series A funding for Event Store
1 October 2020, Insider Media

Eventuate Platform Adds Support for Micronaut, Enhanced Developer Tooling and Improved Performance
5 August 2020, InfoQ.com

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