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DBMS > EventStoreDB vs. IBM Db2 Event Store vs. searchxml

System Properties Comparison EventStoreDB vs. IBM Db2 Event Store vs. searchxml

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Editorial information provided by DB-Engines
NameEventStoreDB  Xexclude from comparisonIBM Db2 Event Store  Xexclude from comparisonsearchxml  Xexclude from comparison
DescriptionIndustrial-strength, open-source database solution built from the ground up for event sourcing.Distributed Event Store optimized for Internet of Things use casesDBMS for structured and unstructured content wrapped with an application server
Primary database modelEvent StoreEvent Store
Time Series DBMS
Native XML DBMS
Search engine
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.10
Rank#179  Overall
#1  Event Stores
Score0.19
Rank#323  Overall
#2  Event Stores
#28  Time Series DBMS
Score0.00
Rank#383  Overall
#7  Native XML DBMS
#25  Search engines
Websitewww.eventstore.comwww.ibm.com/­products/­db2-event-storewww.searchxml.net/­category/­products
Technical documentationdevelopers.eventstore.comwww.ibm.com/­docs/­en/­db2-event-storewww.searchxml.net/­support/­handouts
DeveloperEvent Store LimitedIBMinformationpartners gmbh
Initial release201220172015
Current release21.2, February 20212.01.0
License infoCommercial or Open SourceOpen Sourcecommercial infofree developer edition availablecommercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC and C++C++
Server operating systemsLinux
Windows
Linux infoLinux, macOS, Windows for the developer additionWindows
Data schemeyesschema-free
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.noyes
Secondary indexesnoyes
SQL infoSupport of SQLyes infothrough the embedded Spark runtimeno
APIs and other access methodsADO.NET
DB2 Connect
JDBC
ODBC
RESTful HTTP API
RESTful HTTP API
WebDAV
XQuery
XSLT
Supported programming languagesC
C#
C++
Cobol
Delphi
Fortran
Go
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Scala
Visual Basic
C++ infomost other programming languages supported via APIs
Server-side scripts infoStored proceduresyesyes infoon the application server
Triggersnono
Partitioning methods infoMethods for storing different data on different nodesShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesActive-active shard replicationyes infosychronisation to multiple collections
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanomultiple readers, single writer
Concurrency infoSupport for concurrent manipulation of dataNo - written data is immutableyes
Durability infoSupport for making data persistentYes - Synchronous writes to local disk combined with replication and asynchronous writes in parquet format to permanent shared storageyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlfine grained access rights according to SQL-standardDomain, group and role-based access control at the document level and for application services

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More resources
EventStoreDBIBM Db2 Event Storesearchxml
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