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DBMS > EventStoreDB vs. Microsoft Azure Cosmos DB vs. STSdb

System Properties Comparison EventStoreDB vs. Microsoft Azure Cosmos DB vs. STSdb

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Editorial information provided by DB-Engines
NameEventStoreDB  Xexclude from comparisonMicrosoft Azure Cosmos DB infoformer name was Azure DocumentDB  Xexclude from comparisonSTSdb  Xexclude from comparison
DescriptionIndustrial-strength, open-source database solution built from the ground up for event sourcing.Globally distributed, horizontally scalable, multi-model database serviceKey-Value Store with special method for indexing infooptimized for high performance using a special indexing method
Primary database modelEvent StoreDocument store
Graph DBMS
Key-value store
Wide column store
Key-value store
Secondary database modelsSpatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.92
Rank#181  Overall
#1  Event Stores
Score40.22
Rank#27  Overall
#4  Document stores
#2  Graph DBMS
#3  Key-value stores
#3  Wide column stores
Score0.01
Rank#345  Overall
#53  Key-value stores
Websitewww.eventstore.comazure.microsoft.com/­services/­cosmos-dbgithub.com/­STSSoft/­STSdb4
Technical documentationdevelopers.eventstore.comdocs.microsoft.com/­azure/­cosmos-db
DeveloperEvent Store LimitedMicrosoftSTS Soft SC
Initial release201220142011
Current release21.2, February 20214.0.8, September 2015
License infoCommercial or Open SourceOpen SourcecommercialOpen Source infoGPLv2, commercial license available
Cloud-based only infoOnly available as a cloud servicenoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC#
Server operating systemsLinux
Windows
hostedWindows
Data schemeschema-freeyes
Typing infopredefined data types such as float or dateyes infoJSON typesyes infoprimitive types and user defined types (classes)
Secondary indexesyes infoAll properties auto-indexed by defaultno
SQL infoSupport of SQLSQL-like query languageno
APIs and other access methodsDocumentDB API
Graph API (Gremlin)
MongoDB API
RESTful HTTP API
Table API
.NET Client API
Supported programming languages.Net
C#
Java
JavaScript
JavaScript (Node.js)
MongoDB client drivers written for various programming languages
Python
C#
Java
Server-side scripts infoStored proceduresJavaScriptno
TriggersJavaScriptno
Partitioning methods infoMethods for storing different data on different nodesSharding infoImplicit feature of the cloud servicenone
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoImplicit feature of the cloud servicenone
MapReduce infoOffers an API for user-defined Map/Reduce methodswith Hadoop integration infoIntegration with Hadoop/HDInsight on Azure*no
Consistency concepts infoMethods to ensure consistency in a distributed systemBounded Staleness
Consistent Prefix
Eventual Consistency
Immediate Consistency infoConsistency level configurable on request level
Session Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataMulti-item ACID transactions with snapshot isolation within a partitionno
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes
User concepts infoAccess controlAccess rights can be defined down to the item levelno

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More resources
EventStoreDBMicrosoft Azure Cosmos DB infoformer name was Azure DocumentDBSTSdb
Recent citations in the news

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

ICON Corporate Finance advises Event Store on Series A investment
1 October 2020, Bdaily

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5 August 2020, InfoQ.com

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28 April 2022, The Register

Microsoft announces new Azure capabilities around cloud-native apps, data analytics and hybrid cloud operations
24 May 2022, SiliconANGLE News

An Introduction and Tutorial for Azure Cosmos DB
25 February 2022, InfoQ.com

provided by Google News

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