DBMS > DolphinDB vs. Microsoft Azure Data Explorer vs. Microsoft Azure Synapse Analytics vs. Yanza

System Properties Comparison DolphinDB vs. Microsoft Azure Data Explorer vs. Microsoft Azure Synapse Analytics vs. Yanza

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Editorial information provided by DB-Engines
Name	DolphinDB  Xexclude from comparison	Microsoft Azure Data Explorer  Xexclude from comparison	Microsoft Azure Synapse Analytics previously named Azure SQL Data Warehouse  Xexclude from comparison	Yanza  Xexclude from comparison
				Yanza seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
Description	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.	Fully managed big data interactive analytics platform	Elastic, large scale data warehouse service leveraging the broad eco-system of SQL Server	Time Series DBMS for IoT Applications
Primary database model	Time Series DBMS	Relational DBMS column oriented	Relational DBMS	Time Series DBMS
Secondary database models	Relational DBMS	Document store If a column is of type dynamic docs.microsoft.com/­en-us/­azure/­kusto/­query/­scalar-data-types/­dynamic then it's possible to add arbitrary JSON documents in this cell Event Store this is the general usage pattern at Microsoft. Billing, Logs, Telemetry events are stored in ADX and the state of an individual entity is defined by the arg_max(timestamps) Spatial DBMS Search engine support for complex search expressions docs.microsoft.com/­en-us/­azure/­kusto/­query/­parseoperator FTS, Geospatial docs.microsoft.com/­en-us/­azure/­kusto/­query/­geo-point-to-geohash-function distributed search -> ADX acts as a distributed search engine Time Series DBMS see docs.microsoft.com/­en-us/­azure/­data-explorer/­time-series-analysis
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 4.03 Rank #78   Overall #6   Time Series DBMS	Score 3.80 Rank #81   Overall #43   Relational DBMS	Score 19.93 Rank #31   Overall #19   Relational DBMS
Website	www.dolphindb.com	azure.microsoft.com/­services/­data-explorer	azure.microsoft.com/­services/­synapse-analytics	yanza.com
Technical documentation	docs.dolphindb.cn/­en/­help200/­index.html	docs.microsoft.com/­en-us/­azure/­data-explorer	docs.microsoft.com/­azure/­synapse-analytics
Developer	DolphinDB, Inc	Microsoft	Microsoft	Yanza
Initial release	2018	2019	2016	2015
Current release	v2.00.4, January 2022	cloud service with continuous releases
License Commercial or Open Source	commercial free community version available	commercial	commercial	commercial free version available
Cloud-based only Only available as a cloud service	no	yes	yes	no but mainly used as a service provided by Yanza
DBaaS offerings (sponsored links) Database as a Service Providers of DBaaS offerings, please contact us to be listed.
Implementation language	C++		C++
Server operating systems	Linux Windows	hosted	hosted	Windows
Data scheme	yes	Fixed schema with schema-less datatypes (dynamic)	yes	schema-free
Typing predefined data types such as float or date	yes	yes bool, datetime, dynamic, guid, int, long, real, string, timespan, double: docs.microsoft.com/­en-us/­azure/­kusto/­query/­scalar-data-types	yes	no
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	yes	no	no
Secondary indexes	yes	all fields are automatically indexed	yes	no
SQL Support of SQL	SQL-like query language	Kusto Query Language (KQL), SQL subset	yes	no
APIs and other access methods	JDBC JSON over HTTP Kafka MQTT (Message Queue Telemetry Transport) ODBC OPC DA OPC UA RabbitMQ WebSocket	Microsoft SQL Server communication protocol (MS-TDS) RESTful HTTP API	ADO.NET JDBC ODBC	HTTP API
Supported programming languages	C# C++ Go Java JavaScript MatLab Python R Rust	.Net Go Java JavaScript (Node.js) PowerShell Python R	C# Java PHP	any language that supports HTTP calls
Server-side scripts Stored procedures	yes	Yes, possible languages: KQL, Python, R	Transact SQL	no
Triggers	no	yes see docs.microsoft.com/­en-us/­azure/­kusto/­management/­updatepolicy	no	yes Timer and event based
Partitioning methods Methods for storing different data on different nodes	horizontal partitioning	Sharding Implicit feature of the cloud service	Sharding, horizontal partitioning	none
Replication methods Methods for redundantly storing data on multiple nodes	yes	yes Implicit feature of the cloud service. Replication either local, cross-facility or geo-redundant.	yes	none
MapReduce Offers an API for user-defined Map/Reduce methods	yes	Spark connector (open source): github.com/­Azure/­azure-kusto-spark	no	no
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency	Eventual Consistency Immediate Consistency	Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity	no	no	no docs.microsoft.com/­en-us/­azure/­synapse-analytics/­sql-data-warehouse/­sql-data-warehouse-table-constraints	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	yes	no	ACID	no
Concurrency Support for concurrent manipulation of data	yes	yes	yes	yes
Durability Support for making data persistent	yes	yes	yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	yes	no
User concepts Access control	Administrators, Users, Groups	Azure Active Directory Authentication	yes	no
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More resources
	DolphinDB	Microsoft Azure Data Explorer	Microsoft Azure Synapse Analytics previously named Azure SQL Data Warehouse	Yanza
Recent citations in the news		We’re retiring Azure Time Series Insights on 7 July 2024 – transition to Azure Data Explorer | Azure updates 31 May 2024, Microsoft Update records in a Kusto Database (public preview) | Azure updates 20 February 2024, Microsoft Public Preview: Azure Data Explorer connector for Apache Flink | Azure updates 8 January 2024, Microsoft Announcing General Availability to migrate Virtual Network injected Azure Data Explorer Cluster to Private Endpoints ... 5 February 2024, Microsoft Migration of Azure Virtual Network injected Azure Data Explorer cluster to Private Endpoints | Azure updates 4 December 2023, Microsoft provided by Google News	General Available: Azure Synapse Runtime for Apache Spark 3.4 is now GA | Azure updates 8 April 2024, Microsoft Azure Synapse Runtime for Apache Spark 3.2 End of Support | Azure updates 22 March 2024, Microsoft Azure Synapse Analytics: Everything you need to know about Microsoft's cloud analytics platform 24 September 2023, DataScientest Migrate Microsoft Azure Synapse Analytics to Amazon Redshift using AWS SCT | Amazon Web Services 18 October 2023, AWS Blog Azure Synapse vs. Databricks: Data Platform Comparison 2024 26 March 2024, eWeek provided by Google News

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