DBMS > Alibaba Cloud TSDB vs. Databend vs. Microsoft Azure Table Storage vs. VelocityDB

System Properties Comparison Alibaba Cloud TSDB vs. Databend vs. Microsoft Azure Table Storage vs. VelocityDB

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Editorial information provided by DB-Engines
Name	Alibaba Cloud TSDB  Xexclude from comparison	Databend  Xexclude from comparison	Microsoft Azure Table Storage  Xexclude from comparison	VelocityDB  Xexclude from comparison
Description	A stable, reliable, and cost-effective online high-performance time series database service	An open-source, elastic, and workload-aware cloud data warehouse designed to meet businesses' massive-scale analytics needs at low cost and with low complexity	A Wide Column Store for rapid development using massive semi-structured datasets	A .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database model	Time Series DBMS	Relational DBMS	Wide column store	Graph DBMS Object oriented DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.29 Rank #301   Overall #26   Time Series DBMS	Score 0.34 Rank #283   Overall #130   Relational DBMS	Score 4.04 Rank #77   Overall #6   Wide column stores	Score 0.11 Rank #354   Overall #37   Graph DBMS #15   Object oriented DBMS
Website	www.alibabacloud.com/­product/­hitsdb	github.com/­datafuselabs/­databend www.databend.com	azure.microsoft.com/­en-us/­services/­storage/­tables	velocitydb.com
Technical documentation	www.alibabacloud.com/­help/­en/­time-series-database/­latest/­what-is-tsdb	docs.databend.com		velocitydb.com/­UserGuide
Developer	Alibaba	Databend Labs	Microsoft	VelocityDB Inc
Initial release		2021	2012	2011
Current release		1.0.59, April 2023		7.x
License Commercial or Open Source	commercial	Open Source Apache Version 2.0	commercial	commercial
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		Rust		C#
Server operating systems	hosted	hosted Linux macOS	hosted	Any that supports .NET
Data scheme	schema-free	yes	schema-free	yes
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	no
Secondary indexes	no	no	no	yes
SQL Support of SQL	no	yes	no	no
APIs and other access methods	HTTP REST	CLI Client JDBC RESTful HTTP API	RESTful HTTP API	.Net
Supported programming languages	Java	Go Java JavaScript (Node.js) Python Rust	.Net C# C++ Java JavaScript (Node.js) PHP Python Ruby	.Net
Server-side scripts Stored procedures	no	no	no	no
Triggers	no	no	no	Callbacks are triggered when data changes
Partitioning methods Methods for storing different data on different nodes		none	Sharding Implicit feature of the cloud service	Sharding
Replication methods Methods for redundantly storing data on multiple nodes		none	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	no	no
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency	Immediate Consistency	Immediate 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	yes	optimistic locking	ACID
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
User concepts Access control	Access managed on TSDB instance level	Users with fine-grained authorization concept, user roles	Access rights based on private key authentication or shared access signatures	Based on Windows Authentication
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More resources
	Alibaba Cloud TSDB	Databend	Microsoft Azure Table Storage	VelocityDB
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