DBMS > Alibaba Cloud TSDB vs. Microsoft Azure AI Search vs. Postgres-XL vs. TerarkDB

System Properties Comparison Alibaba Cloud TSDB vs. Microsoft Azure AI Search vs. Postgres-XL vs. TerarkDB

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Editorial information provided by DB-Engines
Name	Alibaba Cloud TSDB  Xexclude from comparison	Microsoft Azure AI Search  Xexclude from comparison	Postgres-XL  Xexclude from comparison	TerarkDB  Xexclude from comparison
Description	A stable, reliable, and cost-effective online high-performance time series database service	Search-as-a-service for web and mobile app development	Based on PostgreSQL enhanced with MPP and write-scale-out cluster features	A key-value store forked from RocksDB with advanced compression algorithms. It can be used standalone or as a storage engine for MySQL and MongoDB
Primary database model	Time Series DBMS	Search engine	Relational DBMS	Key-value store
Secondary database models		Vector DBMS	Document store Spatial DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.29 Rank #301   Overall #26   Time Series DBMS	Score 5.52 Rank #59   Overall #6   Search engines	Score 0.53 Rank #254   Overall #117   Relational DBMS	Score 0.08 Rank #367   Overall #56   Key-value stores
Website	www.alibabacloud.com/­product/­hitsdb	azure.microsoft.com/­en-us/­services/­search	www.postgres-xl.org	github.com/­bytedance/­terarkdb
Technical documentation	www.alibabacloud.com/­help/­en/­time-series-database/­latest/­what-is-tsdb	learn.microsoft.com/­en-us/­azure/­search	www.postgres-xl.org/­documentation	bytedance.larkoffice.com/­docs/­doccnZmYFqHBm06BbvYgjsHHcKc
Developer	Alibaba	Microsoft		ByteDance, originally Terark
Initial release		2015	2014 since 2012, originally named StormDB	2016
Current release		V1	10 R1, October 2018
License Commercial or Open Source	commercial	commercial	Open Source Mozilla public license	commercial restricted open source version available
Cloud-based only Only available as a cloud service	yes	yes	no	no
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	hosted	hosted	Linux macOS
Data scheme	schema-free	yes	yes	schema-free
Typing predefined data types such as float or date	Numeric data and Strings	yes	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	no	yes XML type, but no XML query functionality	no
Secondary indexes	no	yes	yes	no
SQL Support of SQL	no	no	yes distributed, parallel query execution	no
APIs and other access methods	HTTP REST	RESTful HTTP API	ADO.NET JDBC native C library ODBC streaming API for large objects	C++ API Java API
Supported programming languages	Java	C# Java JavaScript Python	.Net C C++ Delphi Erlang Java JavaScript (Node.js) Perl PHP Python Tcl	C++ Java
Server-side scripts Stored procedures	no	no	user defined functions	no
Triggers	no	no	yes	no
Partitioning methods Methods for storing different data on different nodes		Sharding Implicit feature of the cloud service	horizontal partitioning	none
Replication methods Methods for redundantly storing data on multiple nodes		yes Implicit feature of the cloud service		none
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
Foreign keys Referential integrity	no	no	yes	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	no	no	ACID MVCC	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	no	yes
User concepts Access control	Access managed on TSDB instance level	yes using Azure authentication	fine grained access rights according to SQL-standard	no
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More resources
	Alibaba Cloud TSDB	Microsoft Azure AI Search	Postgres-XL	TerarkDB
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		A Chinese company is making the cloud 200x faster · TechNode 3 July 2017, TechNode provided by Google News

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