DBMS > Alibaba Cloud TSDB vs. DolphinDB vs. Microsoft Azure AI Search vs. RDF4J

System Properties Comparison Alibaba Cloud TSDB vs. DolphinDB vs. Microsoft Azure AI Search vs. RDF4J

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Editorial information provided by DB-Engines
Name	Alibaba Cloud TSDB  Xexclude from comparison	DolphinDB  Xexclude from comparison	Microsoft Azure AI Search  Xexclude from comparison	RDF4J formerly known as Sesame  Xexclude from comparison
Description	A stable, reliable, and cost-effective online high-performance time series database service	DolphinDB is a high performance Time Series DBMS. It is integrated with an easy-to-use fully featured programming language and a high-volume high-velocity streaming analytics system. It offers operational simplicity, scalability, fault tolerance, and concurrency.	Search-as-a-service for web and mobile app development	RDF4J is a Java framework for processing RDF data, supporting both memory-based and a disk-based storage.
Primary database model	Time Series DBMS	Time Series DBMS	Search engine	RDF store
Secondary database models		Relational DBMS	Vector DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.29 Rank #301   Overall #26   Time Series DBMS	Score 4.03 Rank #78   Overall #6   Time Series DBMS	Score 5.52 Rank #59   Overall #6   Search engines	Score 0.74 Rank #222   Overall #9   RDF stores
Website	www.alibabacloud.com/­product/­hitsdb	www.dolphindb.com	azure.microsoft.com/­en-us/­services/­search	rdf4j.org
Technical documentation	www.alibabacloud.com/­help/­en/­time-series-database/­latest/­what-is-tsdb	docs.dolphindb.cn/­en/­help200/­index.html	learn.microsoft.com/­en-us/­azure/­search	rdf4j.org/­documentation
Developer	Alibaba	DolphinDB, Inc	Microsoft	Since 2016 officially forked into an Eclipse project, former developer was Aduna Software.
Initial release		2018	2015	2004
Current release		v2.00.4, January 2022	V1
License Commercial or Open Source	commercial	commercial free community version available	commercial	Open Source Eclipse Distribution License (EDL), v1.0.
Cloud-based only Only available as a cloud service	yes	no	yes	no
DBaaS offerings (sponsored links) Database as a Service Providers of DBaaS offerings, please contact us to be listed.
Implementation language		C++		Java
Server operating systems	hosted	Linux Windows	hosted	Linux OS X Unix Windows
Data scheme	schema-free	yes	yes	yes RDF Schemas
Typing predefined data types such as float or date	Numeric data and Strings	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	no
Secondary indexes	no	yes	yes	yes
SQL Support of SQL	no	SQL-like query language	no	no
APIs and other access methods	HTTP REST	JDBC JSON over HTTP Kafka MQTT (Message Queue Telemetry Transport) ODBC OPC DA OPC UA RabbitMQ WebSocket	RESTful HTTP API	Java API RIO RDF Input/Output Sail API SeRQL Sesame RDF Query Language Sesame REST HTTP Protocol SPARQL
Supported programming languages	Java	C# C++ Go Java JavaScript MatLab Python R Rust	C# Java JavaScript Python	Java PHP Python
Server-side scripts Stored procedures	no	yes	no	yes
Triggers	no	no	no	yes
Partitioning methods Methods for storing different data on different nodes		horizontal partitioning	Sharding Implicit feature of the cloud service	none
Replication methods Methods for redundantly storing data on multiple nodes		yes	yes Implicit feature of the cloud service	none
MapReduce Offers an API for user-defined Map/Reduce methods	no	yes	no	no
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency	Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity	no	no	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	no	yes	no	ACID Isolation support depends on the API used
Concurrency Support for concurrent manipulation of data	yes	yes	yes	yes
Durability Support for making data persistent	yes	yes	yes	yes in-memory storage is supported as well
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	no	yes	no
User concepts Access control	Access managed on TSDB instance level	Administrators, Users, Groups	yes using Azure authentication	no
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More resources
	Alibaba Cloud TSDB	DolphinDB	Microsoft Azure AI Search	RDF4J formerly known as Sesame
Recent citations in the news			Announcing updates to Azure AI Search to help organizations build and scale generative AI applications 4 April 2024, azure.microsoft.com Public Preview of Azure OpenAI and AI Search in-app connectors for Logic Apps (Standard) | Azure updates 2 April 2024, azure.microsoft.com Microsoft’s Azure AI Search updated with increased storage, vector index size 5 April 2024, InfoWorld From code to production: New ways Azure helps you build transformational AI experiences 21 May 2024, azure.microsoft.com Celebrating customers' journeys to AI innovation at Microsoft Build 2024 30 May 2024, azure.microsoft.com provided by Google News	GraphDB Goes Open Source 27 January 2020, iProgrammer Ontotext's GraphDB 8.10 Makes Knowledge Graph Experience Faster and Richer 13 June 2019, Markets Insider provided by Google News

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