DBMS > EventStoreDB vs. Microsoft Azure AI Search vs. SiteWhere vs. Transwarp KunDB

System Properties Comparison EventStoreDB vs. Microsoft Azure AI Search vs. SiteWhere vs. Transwarp KunDB

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Editorial information provided by DB-Engines
Name	EventStoreDB  Xexclude from comparison	Microsoft Azure AI Search  Xexclude from comparison	SiteWhere  Xexclude from comparison	Transwarp KunDB  Xexclude from comparison
Description	Industrial-strength, open-source database solution built from the ground up for event sourcing.	Search-as-a-service for web and mobile app development	M2M integration platform for persisting/querying time series data	OLTP DBMS based on a distributed architecture and highly compatible with MySQL and Oracle
Primary database model	Event Store	Search engine	Time Series DBMS	Relational DBMS
Secondary database models		Vector DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 1.19 Rank #173   Overall #1   Event Stores	Score 5.52 Rank #59   Overall #6   Search engines	Score 0.06 Rank #383   Overall #43   Time Series DBMS	Score 0.14 Rank #341   Overall #149   Relational DBMS
Website	www.eventstore.com	azure.microsoft.com/­en-us/­services/­search	github.com/­sitewhere/­sitewhere	www.transwarp.cn/­en/­product/­kundb
Technical documentation	developers.eventstore.com	learn.microsoft.com/­en-us/­azure/­search	sitewhere1.sitewhere.io/­index.html
Developer	Event Store Limited	Microsoft	SiteWhere	Transwarp
Initial release	2012	2015	2010
Current release	21.2, February 2021	V1
License Commercial or Open Source	Open Source	commercial	Open Source Common Public Attribution License Version 1.0	commercial
Cloud-based only Only available as a cloud service	no	yes	no	no
DBaaS offerings (sponsored links) Database as a Service Providers of DBaaS offerings, please contact us to be listed.
Implementation language			Java
Server operating systems	Linux Windows	hosted	Linux OS X Windows
Data scheme		yes	predefined scheme	yes
Typing predefined data types such as float or date		yes	yes	yes
XML support Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.		no	no
Secondary indexes		yes	no	yes
SQL Support of SQL		no	no	yes
APIs and other access methods		RESTful HTTP API	HTTP REST
Supported programming languages		C# Java JavaScript Python
Server-side scripts Stored procedures		no		yes
Triggers		no		yes
Partitioning methods Methods for storing different data on different nodes		Sharding Implicit feature of the cloud service	Sharding based on HBase	horizontal partitioning
Replication methods Methods for redundantly storing data on multiple nodes		yes Implicit feature of the cloud service	selectable replication factor based on HBase
MapReduce Offers an API for user-defined Map/Reduce methods		no	no	no
Consistency concepts Methods to ensure consistency in a distributed system		Immediate Consistency	Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity		no	no	yes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data		no	no	ACID
Concurrency Support for concurrent manipulation of data		yes	yes	yes
Durability Support for making data persistent		yes	yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.		no	no
User concepts Access control		yes using Azure authentication	Users with fine-grained authorization concept	yes
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More resources
	EventStoreDB	Microsoft Azure AI Search	SiteWhere	Transwarp KunDB
Recent citations in the news		Announcing updates to Azure AI Search to help organizations build and scale generative AI applications 4 April 2024, Microsoft Microsoft and ServiceNow at Knowledge 2024: Introducing generative AI innovation 13 June 2024, Microsoft Azure OpenAI Service: Transforming legal practices with generative AI solutions 12 June 2024, Microsoft Public Preview of Azure OpenAI and AI Search in-app connectors for Logic Apps (Standard) | Azure updates 2 April 2024, Microsoft Raise the bar on AI-powered app development with Azure Database for PostgreSQL 5 June 2024, Microsoft provided by Google News	SiteWhere: An open platform for connected devices 11 July 2017, Open Source For You 11 Best Open source IoT Platforms To Develop Smart Projects 9 March 2023, H2S Media provided by Google News

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