DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. Hawkular Metrics vs. Kingbase vs. Postgres-XL

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. Hawkular Metrics vs. Kingbase vs. Postgres-XL

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Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	Hawkular Metrics  Xexclude from comparison	Kingbase  Xexclude from comparison	Postgres-XL  Xexclude from comparison
Description	An online MPP (Massively Parallel Processing) data warehousing service based on Greenplum	Hawkular metrics is the metric storage of the Red Hat sponsored Hawkular monitoring system. It is based on Cassandra.	An enterprise-class RDBMS compatible with PostgreSQL and Oracle and widely used in China.	Based on PostgreSQL enhanced with MPP and write-scale-out cluster features
Primary database model	Relational DBMS	Time Series DBMS	Relational DBMS	Relational DBMS
Secondary database models			Document store Spatial DBMS	Document store Spatial DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.76 Rank #220   Overall #102   Relational DBMS	Score 0.08 Rank #366   Overall #39   Time Series DBMS	Score 0.50 Rank #257   Overall #119   Relational DBMS	Score 0.53 Rank #254   Overall #117   Relational DBMS
Website	www.alibabacloud.com/­product/­hybriddb-postgresql	www.hawkular.org	www.kingbase.com.cn	www.postgres-xl.org
Technical documentation	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview	www.hawkular.org/­hawkular-metrics/­docs/­user-guide		www.postgres-xl.org/­documentation
Developer	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group	Community supported by Red Hat	BeiJing KINGBASE Information technologies inc.
Initial release	2016	2014	1999	2014 since 2012, originally named StormDB
Current release			V8.0, August 2021	10 R1, October 2018
License Commercial or Open Source	commercial	Open Source Apache 2.0	commercial	Open Source Mozilla public license
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 and Java	C
Server operating systems	hosted	Linux OS X Windows	Linux Windows	Linux macOS
Data scheme	yes	schema-free	yes	yes
Typing predefined data types such as float or date	yes	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	yes XML type, but no XML query functionality
Secondary indexes	yes	no	yes	yes
SQL Support of SQL	yes	no	Standard with numerous extensions	yes distributed, parallel query execution
APIs and other access methods	JDBC ODBC	HTTP REST	ADO.NET gokb JDBC kdbndp ODBC PDI PDO Pro*C psycopg2 QT	ADO.NET JDBC native C library ODBC streaming API for large objects
Supported programming languages	C Java Perl Python R	Go Java Python Ruby	.Net C C++ Go Java JavaScript (Node.js) Perl PHP Python	.Net C C++ Delphi Erlang Java JavaScript (Node.js) Perl PHP Python Tcl
Server-side scripts Stored procedures	yes	no	user defined functions	user defined functions
Triggers	yes	yes via Hawkular Alerting	yes	yes
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service	Sharding based on Cassandra	horizontal partitioning (by range, list and hash) and vertical partitioning	horizontal partitioning
Replication methods Methods for redundantly storing data on multiple nodes	yes Implicit feature of the cloud service	selectable replication factor based on Cassandra	yes
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	yes	yes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	no	ACID	ACID MVCC
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	no	fine grained access rights according to SQL-standard	fine grained access rights according to SQL-standard
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	Hawkular Metrics	Kingbase	Postgres-XL
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	Waiting for Red Hat OpenShift 4.0? Too late, 4.1 has already arrived… • DEVCLASS 5 June 2019, DevClass provided by Google News	Made in China 2025 is back, with a new name and a focus on database companies – The China Project 19 December 2022, The China Project Opening preparation - Alekhine defense, Saemisch variation 18 April 2016, Chess.com Backup & Recovery Solutions from China 4 August 2022, Хабр provided by Google News

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