DBMS > Alibaba Cloud TSDB vs. Badger vs. DolphinDB vs. Microsoft Azure Data Explorer

System Properties Comparison Alibaba Cloud TSDB vs. Badger vs. DolphinDB vs. Microsoft Azure Data Explorer

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Editorial information provided by DB-Engines
Name	Alibaba Cloud TSDB  Xexclude from comparison	Badger  Xexclude from comparison	DolphinDB  Xexclude from comparison	Microsoft Azure Data Explorer  Xexclude from comparison
Description	A stable, reliable, and cost-effective online high-performance time series database service	An embeddable, persistent, simple and fast Key-Value Store, written purely in Go.	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
Primary database model	Time Series DBMS	Key-value store	Time Series DBMS	Relational DBMS column oriented
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 0.29 Rank #301   Overall #26   Time Series DBMS	Score 0.22 Rank #320   Overall #47   Key-value stores	Score 4.03 Rank #78   Overall #6   Time Series DBMS	Score 3.80 Rank #81   Overall #43   Relational DBMS
Website	www.alibabacloud.com/­product/­hitsdb	github.com/­dgraph-io/­badger	www.dolphindb.com	azure.microsoft.com/­services/­data-explorer
Technical documentation	www.alibabacloud.com/­help/­en/­time-series-database/­latest/­what-is-tsdb	godoc.org/­github.com/­dgraph-io/­badger	docs.dolphindb.cn/­en/­help200/­index.html	docs.microsoft.com/­en-us/­azure/­data-explorer
Developer	Alibaba	DGraph Labs	DolphinDB, Inc	Microsoft
Initial release		2017	2018	2019
Current release			v2.00.4, January 2022	cloud service with continuous releases
License Commercial or Open Source	commercial	Open Source Apache 2.0	commercial free community version available	commercial
Cloud-based only Only available as a cloud service	yes	no	no	yes
DBaaS offerings (sponsored links) Database as a Service Providers of DBaaS offerings, please contact us to be listed.
Implementation language		Go	C++
Server operating systems	hosted	BSD Linux OS X Solaris Windows	Linux Windows	hosted
Data scheme	schema-free	schema-free	yes	Fixed schema with schema-less datatypes (dynamic)
Typing predefined data types such as float or date	Numeric data and Strings	no	yes	yes bool, datetime, dynamic, guid, int, long, real, string, timespan, double: docs.microsoft.com/­en-us/­azure/­kusto/­query/­scalar-data-types
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	yes
Secondary indexes	no	no	yes	all fields are automatically indexed
SQL Support of SQL	no	no	SQL-like query language	Kusto Query Language (KQL), SQL subset
APIs and other access methods	HTTP REST		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
Supported programming languages	Java	Go	C# C++ Go Java JavaScript MatLab Python R Rust	.Net Go Java JavaScript (Node.js) PowerShell Python R
Server-side scripts Stored procedures	no	no	yes	Yes, possible languages: KQL, Python, R
Triggers	no	no	no	yes see docs.microsoft.com/­en-us/­azure/­kusto/­management/­updatepolicy
Partitioning methods Methods for storing different data on different nodes		none	horizontal partitioning	Sharding Implicit feature of the cloud service
Replication methods Methods for redundantly storing data on multiple nodes		none	yes	yes Implicit feature of the cloud service. Replication either local, cross-facility or geo-redundant.
MapReduce Offers an API for user-defined Map/Reduce methods	no	no	yes	Spark connector (open source): github.com/­Azure/­azure-kusto-spark
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency	none	Immediate Consistency	Eventual Consistency Immediate Consistency
Foreign keys Referential integrity	no	no	no	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	no	no	yes	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.	no	no	yes	no
User concepts Access control	Access managed on TSDB instance level	no	Administrators, Users, Groups	Azure Active Directory Authentication
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More resources
	Alibaba Cloud TSDB	Badger	DolphinDB	Microsoft Azure Data Explorer
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 New Features for graph-match KQL Operator: Enhanced Pattern Matching and Cycle Control | Azure updates 24 January 2024, Microsoft provided by Google News

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