DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. Atos Standard Common Repository vs. Percona Server for MongoDB vs. VelocityDB

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. Atos Standard Common Repository vs. Percona Server for MongoDB vs. VelocityDB

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Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	Atos Standard Common Repository  Xexclude from comparison	Percona Server for MongoDB  Xexclude from comparison	VelocityDB  Xexclude from comparison
		This system has been discontinued and will be removed from the DB-Engines ranking.
Description	An online MPP (Massively Parallel Processing) data warehousing service based on Greenplum	Highly scalable database system, designed for managing session and subscriber data in modern mobile communication networks	A drop-in replacement for MongoDB Community Edition with enterprise-grade features.	A .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database model	Relational DBMS	Document store Key-value store	Document store	Graph 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 0.60 Rank #246   Overall #39   Document stores	Score 0.11 Rank #354   Overall #37   Graph DBMS #15   Object oriented DBMS
Website	www.alibabacloud.com/­product/­hybriddb-postgresql	atos.net/en/convergence-creators/portfolio/standard-common-repository	www.percona.com/­mongodb/­software/­percona-server-for-mongodb	velocitydb.com
Technical documentation	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview		docs.percona.com/­percona-distribution-for-mongodb	velocitydb.com/­UserGuide
Developer	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group	Atos Convergence Creators	Percona	VelocityDB Inc
Initial release	2016	2016	2015	2011
Current release		1703	3.4.10-2.10, November 2017	7.x
License Commercial or Open Source	commercial	commercial	Open Source GPL Version 2	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		Java	C++	C#
Server operating systems	hosted	Linux	Linux	Any that supports .NET
Data scheme	yes	Schema and schema-less with LDAP views	schema-free	yes
Typing predefined data types such as float or date	yes	optional	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	yes	no	no
Secondary indexes	yes	yes	yes	yes
SQL Support of SQL	yes	no	no	no
APIs and other access methods	JDBC ODBC	LDAP	proprietary protocol using JSON	.Net
Supported programming languages	C Java Perl Python R	All languages with LDAP bindings	Actionscript C C# C++ Clojure ColdFusion D Dart Delphi Erlang Go Groovy Haskell Java JavaScript Lisp Lua MatLab Perl PHP PowerShell Prolog Python R Ruby Scala Smalltalk	.Net
Server-side scripts Stored procedures	yes	no	JavaScript	no
Triggers	yes	yes	no	Callbacks are triggered when data changes
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service	Sharding cell division	Sharding	Sharding
Replication methods Methods for redundantly storing data on multiple nodes	yes Implicit feature of the cloud service	yes	Source-replica replication
MapReduce Offers an API for user-defined Map/Reduce methods	no		yes	no
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency	Immediate Consistency or Eventual Consistency depending on configuration	Eventual 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	Atomic execution of specific operations	no	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	yes via In-Memory Engine	yes
User concepts Access control	fine grained access rights according to SQL-standard	LDAP bind authentication	Access rights for users and roles	Based on Windows Authentication
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	Atos Standard Common Repository	Percona Server for MongoDB	VelocityDB
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 How Data Analytics Capabilities of Alibaba Group Evolve Its Ecosystem to the Cloud 20 February 2021, DataDrivenInvestor provided by Google News		MongoDB Performance Tuning 23 May 2024, Database Trends and Applications Why Isn't the World Upgrading Its Databases? 25 March 2024, The New Stack FerretDB goes GA: Gives you MongoDB, without the MongoDB... 15 May 2023, The Stack The essential guide to MongoDB security 2 February 2017, InfoWorld Open-source developers under corporate pressure to adopt less-permissive licenses, Percona CEO says 13 May 2021, The Register provided by Google News

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