DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. FatDB vs. HyperSQL vs. OpenQM

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. FatDB vs. HyperSQL vs. OpenQM

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Editorial information provided by DB-Engines
Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	FatDB  Xexclude from comparison	HyperSQL also known as HSQLDB  Xexclude from comparison	OpenQM also called QM  Xexclude from comparison
		FatDB/FatCloud has ceased operations as a company with February 2014. FatDB is discontinued and excluded from the ranking.
Description	An online MPP (Massively Parallel Processing) data warehousing service based on Greenplum	A .NET NoSQL DBMS that can integrate with and extend SQL Server.	Multithreaded, transactional RDBMS written in Java also known as HSQLDB	QpenQM is a high-performance, self-tuning, multi-value DBMS
Primary database model	Relational DBMS	Document store Key-value store	Relational DBMS	Multivalue DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.76 Rank #220   Overall #102   Relational DBMS		Score 3.23 Rank #93   Overall #48   Relational DBMS	Score 0.34 Rank #284   Overall #10   Multivalue DBMS
Website	www.alibabacloud.com/­product/­hybriddb-postgresql		hsqldb.org	www.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qm
Technical documentation	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview		hsqldb.org/­web/­hsqlDocsFrame.html
Developer	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group	FatCloud		Rocket Software, originally Martin Phillips
Initial release	2016	2012	2001	1993
Current release			2.7.2, June 2023	3.4-12
License Commercial or Open Source	commercial	commercial	Open Source based on BSD license	Open Source GPLv2, extended commercial license available
Cloud-based only Only available as a cloud service	yes	no	no	no
DBaaS offerings (sponsored links) Database as a Service Providers of DBaaS offerings, please contact us to be listed.
Implementation language		C#	Java
Server operating systems	hosted	Windows	All OS with a Java VM Embedded (into Java applications) and Client-Server operating modes	AIX FreeBSD Linux macOS Raspberry Pi Solaris Windows
Data scheme	yes	schema-free	yes	yes with some exceptions
Typing predefined data types such as float or date	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.	yes		no	yes
Secondary indexes	yes	yes	yes	yes
SQL Support of SQL	yes	no Via inetgration in SQL Server	yes	no
APIs and other access methods	JDBC ODBC	.NET Client API LINQ RESTful HTTP API RPC Windows WCF Bindings	HTTP API JDBC via HTTP JDBC ODBC
Supported programming languages	C Java Perl Python R	C#	All languages supporting JDBC/ODBC Java	.Net Basic C Java Objective C PHP Python
Server-side scripts Stored procedures	yes	yes via applications	Java, SQL	yes
Triggers	yes	yes via applications	yes	yes
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service	Sharding	none	yes
Replication methods Methods for redundantly storing data on multiple nodes	yes Implicit feature of the cloud service	selectable replication factor	none	yes
MapReduce Offers an API for user-defined Map/Reduce methods	no	yes	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	yes	no	yes	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	no	ACID	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		yes
User concepts Access control	fine grained access rights according to SQL-standard	no Can implement custom security layer via applications	fine grained access rights according to SQL-standard	Access rights can be defined down to the item level
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	FatDB	HyperSQL also known as HSQLDB	OpenQM also called QM
Recent citations in the 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 Alibaba Cloud ignites AI innovation in Singapore with recent hackathon | KrASIA 27 March 2024, KrASIA provided by Google News		HyperSQL DataBase flaw leaves library vulnerable to RCE 24 October 2022, The Daily Swig Introduction to JDBC with HSQLDB tutorial 14 November 2022, TheServerSide.com provided by Google News

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