DBMS > AlaSQL vs. Alibaba Cloud AnalyticDB for PostgreSQL vs. Alibaba Cloud TSDB vs. Yanza

System Properties Comparison AlaSQL vs. Alibaba Cloud AnalyticDB for PostgreSQL vs. Alibaba Cloud TSDB vs. Yanza

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Editorial information provided by DB-Engines
Name	AlaSQL  Xexclude from comparison	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	Alibaba Cloud TSDB  Xexclude from comparison	Yanza  Xexclude from comparison
				Yanza seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
Description	JavaScript DBMS library	An online MPP (Massively Parallel Processing) data warehousing service based on Greenplum	A stable, reliable, and cost-effective online high-performance time series database service	Time Series DBMS for IoT Applications
Primary database model	Document store Relational DBMS	Relational DBMS	Time Series DBMS	Time Series DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.51 Rank #256   Overall #40   Document stores #118   Relational DBMS	Score 0.76 Rank #220   Overall #102   Relational DBMS	Score 0.29 Rank #301   Overall #26   Time Series DBMS
Website	alasql.org	www.alibabacloud.com/­product/­hybriddb-postgresql	www.alibabacloud.com/­product/­hitsdb	yanza.com
Technical documentation	github.com/­AlaSQL/­alasql	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview	www.alibabacloud.com/­help/­en/­time-series-database/­latest/­what-is-tsdb
Developer	Andrey Gershun & Mathias R. Wulff	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group	Alibaba	Yanza
Initial release	2014	2016		2015
License Commercial or Open Source	Open Source MIT-License	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
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Implementation language	JavaScript
Server operating systems	server-less, requires a JavaScript environment (browser, Node.js)	hosted	hosted	Windows
Data scheme	schema-free	yes	schema-free	schema-free
Typing predefined data types such as float or date	no	yes	Numeric data and Strings	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	no	yes	no	no
SQL Support of SQL	Close to SQL99, but no user access control, stored procedures and host language bindings.	yes	no	no
APIs and other access methods	JavaScript API	JDBC ODBC	HTTP REST	HTTP API
Supported programming languages	JavaScript	C Java Perl Python R	Java	any language that supports HTTP calls
Server-side scripts Stored procedures	no	yes	no	no
Triggers	yes	yes	no	yes Timer and event based
Partitioning methods Methods for storing different data on different nodes	none	Sharding Implicit feature of the cloud service		none
Replication methods Methods for redundantly storing data on multiple nodes	none	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	none	Immediate Consistency	Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity	yes	yes	no	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	yes only for local storage and DOM-storage	ACID	no	no
Concurrency Support for concurrent manipulation of data		yes	yes	yes
Durability Support for making data persistent	yes by using IndexedDB, SQL.JS or proprietary FileStorage	yes	yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	yes	no	no
User concepts Access control	no	fine grained access rights according to SQL-standard	Access managed on TSDB instance level	no
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More resources
	AlaSQL	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	Alibaba Cloud TSDB	Yanza
Recent citations in the news	HarperDB - How and Why We Built It From The Ground Up on NodeJS 28 February 2021, hackernoon.com Create a Marvel Database with SQL and Javascript, the easy way 2 July 2019, Towards Data Science Multi faceted data exploration in the browser using Leaflet and amCharts 3 May 2020, Towards Data Science provided by Google News	Alibaba Cloud upgrades AnalyticDB with vector database engine 25 July 2023, CloudTech News Two Critical Flaws Found in Alibaba Cloud's PostgreSQL Databases 20 April 2023, The Hacker News Accidental ‘write’ Permissions In Alibaba PostgreSQL Let Attackers Access Sensitive Data 22 April 2023, GBHackers Two critical vulnerabilities spotted in Alibaba Cloud's PostgreSQL databases 21 April 2023, TEISS How Data Analytics Capabilities of Alibaba Group Evolve Its Ecosystem to the Cloud 20 February 2021, DataDrivenInvestor provided by Google News

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