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DBMS > EventStoreDB vs. eXtremeDB

System Properties Comparison EventStoreDB vs. eXtremeDB

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Editorial information provided by DB-Engines
NameEventStoreDB  Xexclude from comparisoneXtremeDB  Xexclude from comparison
DescriptionIndustrial-strength, open-source database solution built from the ground up for event sourcing.Natively in-memory DBMS with options for persistency, high-availability and clustering
Primary database modelEvent StoreRelational DBMS
Time Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.87
Rank#189  Overall
#1  Event Stores
Score0.71
Rank#208  Overall
#102  Relational DBMS
#14  Time Series DBMS
Websitewww.eventstore.comwww.mcobject.com/­extremedbfamily
Technical documentationdevelopers.eventstore.comwww.mcobject.com/­docs/­extremedb.htm
DeveloperEvent Store LimitedMcObject
Initial release20122001
Current release21.2, February 20218.2, November 2020
License infoCommercial or Open SourceOpen Sourcecommercial
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 and C++
Server operating systemsLinux
Windows
AIX
HP-UX
Linux
macOS
Solaris
Windows
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.no infosupport of XML interfaces available
Secondary indexesyes
SQL infoSupport of SQLyes infowith the option: eXtremeSQL
APIs and other access methods.NET Client API
JDBC
JNI
ODBC
Proprietary protocol
RESTful HTTP API
Supported programming languages.Net
C
C#
C++
Java
Lua
Python
Scala
Server-side scripts infoStored proceduresyes
Triggersyes infoby defining events
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioning / sharding
Replication methods infoMethods for redundantly storing data on multiple nodesActive Replication Fabricâ„¢ for IoT
Multi-source replication infoby means of eXtremeDB Cluster option
Source-replica replication infoby means of eXtremeDB High Availability option
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
Concurrency infoSupport for concurrent manipulation of datayes infoOptimistic (MVCC) and pessimistic (locking) strategies available
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.yes
More information provided by the system vendor
EventStoreDBeXtremeDB
Specific characteristicsGuaranteed writes Great performance that scales Immutable data store High availability...
» more
eXtremeDB is an in-memory and/or persistent database system that offers an ultra-small...
» more
Competitive advantagesEventStoreDB's core database server is used in production systems worldwide. The...
» more
eXtremeDB databases can be modeled relationally or as objects and can utilize SQL...
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Typical application scenariosEvent-sourced systems Event-driven architecture
» more
IoT application across all markets: Industrial Control, Netcom, Telecom, Defense,...
» more
Key customersEventStoreDB is used by companies across a whole range of industries. Here are just...
» more
Schneider Electronics, F5 Networks, TNS, Boeing, Northrop Grumman, GoPro, ViaSat,...
» more
Market metricsWith hundreds of customers and over 28 million devices/applications using the product...
» 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
For server use cases, there is a simple per-server license irrespective of the number...
» more

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More resources
EventStoreDBeXtremeDB
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

AxonDB, a New Implementation of an Event Store
27 February 2018, InfoQ.com

ICON Corporate Finance advises Bath-headquartered Event Store on Series A investment
1 October 2020, Business Leader

provided by Google News

McObject Collaborates with Wind River to Deliver First-Ever Deterministic Database System for VxWorks-based Real-Time Embedded Systems
14 September 2021, Yahoo Finance

News | McObject and Wind River Accelerate the Delivery of Reliable Intelligent Systems | Pipeline Publishing
14 September 2021, Pipeline Magazine

Real time tasks need real time data
7 September 2021, WIND

McObject and Logic Partner to Meet Growing Embedded Database Management Needs
23 February 2021, GlobeNewswire

eXtremeDB 8.1 adds features for easier, more sophisticated
19 November 2019, GlobeNewswire

provided by Google News

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