DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. KairosDB vs. OpenQM vs. WakandaDB

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. KairosDB vs. OpenQM vs. WakandaDB

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Editorial information provided by DB-Engines
Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	KairosDB  Xexclude from comparison	OpenQM also called QM  Xexclude from comparison	WakandaDB  Xexclude from comparison
Description	An online MPP (Massively Parallel Processing) data warehousing service based on Greenplum	Distributed Time Series DBMS based on Cassandra or H2	QpenQM is a high-performance, self-tuning, multi-value DBMS	WakandaDB is embedded in a server that provides a REST API and a server-side javascript engine to access data
Primary database model	Relational DBMS	Time Series DBMS	Multivalue DBMS	Object oriented DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.76 Rank #220   Overall #102   Relational DBMS	Score 0.67 Rank #233   Overall #20   Time Series DBMS	Score 0.34 Rank #284   Overall #10   Multivalue DBMS	Score 0.10 Rank #356   Overall #16   Object oriented DBMS
Website	www.alibabacloud.com/­product/­hybriddb-postgresql	github.com/­kairosdb/­kairosdb	www.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qm	wakanda.github.io
Technical documentation	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview	kairosdb.github.io		wakanda.github.io/­doc
Developer	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group		Rocket Software, originally Martin Phillips	Wakanda SAS
Initial release	2016	2013	1993	2012
Current release		1.2.2, November 2018	3.4-12	2.7.0 (April 29, 2019), April 2019
License Commercial or Open Source	commercial	Open Source Apache 2.0	Open Source GPLv2, extended commercial license available	Open Source AGPLv3, 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		Java		C++, JavaScript
Server operating systems	hosted	Linux OS X Windows	AIX FreeBSD Linux macOS Raspberry Pi Solaris Windows	Linux OS X Windows
Data scheme	yes	schema-free	yes with some exceptions	yes
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	no
Secondary indexes	yes	no	yes
SQL Support of SQL	yes	no	no	no
APIs and other access methods	JDBC ODBC	Graphite protocol HTTP REST Telnet API		RESTful HTTP API
Supported programming languages	C Java Perl Python R	Java JavaScript Node.js PHP Python	.Net Basic C Java Objective C PHP Python	JavaScript
Server-side scripts Stored procedures	yes	no	yes	yes
Triggers	yes	no	yes	yes
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service	Sharding based on Cassandra	yes	none
Replication methods Methods for redundantly storing data on multiple nodes	yes Implicit feature of the cloud service	selectable replication factor based on Cassandra	yes	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	Eventual Consistency based on Cassandra Immediate Consistency based on Cassandra	Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity	yes	no	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	no		no
User concepts Access control	fine grained access rights according to SQL-standard	simple password-based access control	Access rights can be defined down to the item level	yes
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	KairosDB	OpenQM also called QM	WakandaDB
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	Real-Time Performance and Health Monitoring Using Netdata 2 September 2019, CNX Software Expo: Real Time A/B Testing and Monitoring with Spark Streaming and Kafka at Walmart Labs 24 May 2019, InfoQ.com provided by Google News

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