DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. OpenQM vs. Riak TS vs. SpaceTime

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. OpenQM vs. Riak TS vs. SpaceTime

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Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	OpenQM also called QM  Xexclude from comparison	Riak TS  Xexclude from comparison	SpaceTime  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	Riak TS is a distributed NoSQL database optimized for time series data and based on Riak KV	SpaceTime is a spatio-temporal DBMS with a focus on performance.
Primary database model	Relational DBMS	Multivalue DBMS	Time Series DBMS	Spatial DBMS
Secondary database models				Relational DBMS
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 0.28 Rank #307   Overall #27   Time Series DBMS	Score 0.03 Rank #392   Overall #8   Spatial DBMS
Website	www.alibabacloud.com/­product/­hybriddb-postgresql	www.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qm		www.mireo.com/­spacetime
Technical documentation	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview		www.tiot.jp/­riak-docs/­riak/­ts/­latest
Developer	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group	Rocket Software, originally Martin Phillips	Open Source, formerly Basho Technologies	Mireo
Initial release	2016	1993	2015	2020
Current release		3.4-12	3.0.0, September 2022
License Commercial or Open Source	commercial	Open Source GPLv2, extended commercial license available	Open Source	commercial
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			Erlang	C++
Server operating systems	hosted	AIX FreeBSD Linux macOS Raspberry Pi Solaris Windows	Linux OS X	Linux
Data scheme	yes	yes with some exceptions	schema-free	yes
Typing predefined data types such as float or date	yes		no	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	yes	no	no
Secondary indexes	yes	yes	restricted	no
SQL Support of SQL	yes	no	yes, limited	A subset of ANSI SQL is implemented
APIs and other access methods	JDBC ODBC		HTTP API Native Erlang Interface	RESTful HTTP API
Supported programming languages	C Java Perl Python R	.Net Basic C Java Objective C PHP Python	C unofficial client library C# C++ unofficial client library Clojure unofficial client library Dart unofficial client library Erlang Go unofficial client library Groovy unofficial client library Haskell unofficial client library Java JavaScript unofficial client library Lisp unofficial client library Perl unofficial client library PHP Python Ruby Scala unofficial client library Smalltalk unofficial client library	C# C++ Python
Server-side scripts Stored procedures	yes	yes	Erlang	no
Triggers	yes	yes	yes pre-commit hooks and post-commit hooks	no
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service	yes	Sharding	Fixed-grid hypercubes
Replication methods Methods for redundantly storing data on multiple nodes	yes Implicit feature of the cloud service	yes	selectable replication factor	Real-time block device replication (DRBD)
MapReduce Offers an API for user-defined Map/Reduce methods	no	no	yes	no
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency	Immediate Consistency	Eventual Consistency	Immediate Consistency
Foreign keys Referential integrity	yes	no	no links between datasets can be stored	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	ACID	no	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	no	yes
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	OpenQM also called QM	Riak TS	SpaceTime
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		New Basho Data Platform Provides Operational Simplicity for Enterprise Big Data Applications 7 June 2015, insideBIGDATA Best open source databases for IoT applications 26 May 2017, Open Source For You provided by Google News

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