DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. OpenQM vs. searchxml vs. STSdb

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. OpenQM vs. searchxml vs. STSdb

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Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	OpenQM also called QM  Xexclude from comparison	searchxml  Xexclude from comparison	STSdb  Xexclude from comparison
Description	An online MPP (Massively Parallel Processing) data warehousing service based on Greenplum	QpenQM is a high-performance, self-tuning, multi-value DBMS	DBMS for structured and unstructured content wrapped with an application server	Key-Value Store with special method for indexing optimized for high performance using a special indexing method
Primary database model	Relational DBMS	Multivalue DBMS	Native XML DBMS Search engine	Key-value store
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.76 Rank #220   Overall #102   Relational DBMS	Score 0.34 Rank #284   Overall #10   Multivalue DBMS	Score 0.03 Rank #390   Overall #7   Native XML DBMS #24   Search engines	Score 0.10 Rank #357   Overall #51   Key-value stores
Website	www.alibabacloud.com/­product/­hybriddb-postgresql	www.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qm	www.searchxml.net/­category/­products	github.com/­STSSoft/­STSdb4
Technical documentation	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview		www.searchxml.net/­support/­handouts
Developer	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group	Rocket Software, originally Martin Phillips	informationpartners gmbh	STS Soft SC
Initial release	2016	1993	2015	2011
Current release		3.4-12	1.0	4.0.8, September 2015
License Commercial or Open Source	commercial	Open Source GPLv2, extended commercial license available	commercial	Open Source GPLv2, 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++	C#
Server operating systems	hosted	AIX FreeBSD Linux macOS Raspberry Pi Solaris Windows	Windows	Windows
Data scheme	yes	yes with some exceptions	schema-free	yes
Typing predefined data types such as float or date	yes		yes	yes primitive types and user defined types (classes)
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	yes	yes
Secondary indexes	yes	yes	yes	no
SQL Support of SQL	yes	no	no	no
APIs and other access methods	JDBC ODBC		RESTful HTTP API WebDAV XQuery XSLT	.NET Client API
Supported programming languages	C Java Perl Python R	.Net Basic C Java Objective C PHP Python	C++ most other programming languages supported via APIs	C# Java
Server-side scripts Stored procedures	yes	yes	yes on the application server	no
Triggers	yes	yes	no	no
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service	yes	none	none
Replication methods Methods for redundantly storing data on multiple nodes	yes Implicit feature of the cloud service	yes	yes sychronisation to multiple collections	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	yes	no	no	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	ACID	multiple readers, single writer	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
User concepts Access control	fine grained access rights according to SQL-standard	Access rights can be defined down to the item level	Domain, group and role-based access control at the document level and for application services	no
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	OpenQM also called QM	searchxml	STSdb
Recent citations in the 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 to spur AI innovation with upcoming Singapore hackathon in March | KrASIA 21 February 2024, KrASIA Experts disclosed two critical flaws in Alibaba cloud database services 20 April 2023, Security Affairs provided by Google News

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