DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. Atos Standard Common Repository vs. EJDB vs. StarRocks

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. Atos Standard Common Repository vs. EJDB vs. StarRocks

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Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	Atos Standard Common Repository  Xexclude from comparison	EJDB  Xexclude from comparison	StarRocks  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	Embeddable document-store database library with JSON representation of queries (in MongoDB style)	An open source, high-performance columnar analytical database that enables real-time, multi-dimensional, and highly concurrent data analytics Forked from Apache Doris
Primary database model	Relational DBMS	Document store Key-value store	Document store	Relational DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.76 Rank #220   Overall #102   Relational DBMS		Score 0.31 Rank #296   Overall #44   Document stores	Score 0.93 Rank #198   Overall #93   Relational DBMS
Website	www.alibabacloud.com/­product/­hybriddb-postgresql	atos.net/en/convergence-creators/portfolio/standard-common-repository	github.com/­Softmotions/­ejdb	www.starrocks.io
Technical documentation	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview		github.com/­Softmotions/­ejdb/­blob/­master/­README.md	docs.starrocks.io/­en-us/­latest/­introduction/­StarRocks_intro
Developer	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group	Atos Convergence Creators	Softmotions	The Linux Foundation since Feb 2023
Initial release	2016	2016	2012	2020
Current release		1703		2.5.3, March 2023
License Commercial or Open Source	commercial	commercial	Open Source GPLv2	Open Source Apache Version 2.0
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++, Java
Server operating systems	hosted	Linux	server-less	Linux
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 string, integer, double, bool, date, object_id	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
Secondary indexes	yes	yes	no	yes
SQL Support of SQL	yes	no	no	yes
APIs and other access methods	JDBC ODBC	LDAP	in-process shared library	JDBC MySQL protocol
Supported programming languages	C Java Perl Python R	All languages with LDAP bindings	Actionscript C C# C++ Go Java JavaScript (Node.js) Lua Objective-C Pike Python Ruby	Java
Server-side scripts Stored procedures	yes	no	no	user defined functions
Triggers	yes	yes	no	no
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service	Sharding cell division	none	horizontal partitioning (by range and hash)
Replication methods Methods for redundantly storing data on multiple nodes	yes Implicit feature of the cloud service	yes	none
MapReduce Offers an API for user-defined Map/Reduce methods	no		no	no
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency	Immediate Consistency or Eventual Consistency depending on configuration		Immediate Consistency
Foreign keys Referential integrity	yes	no	no typically not needed, however similar functionality with collection joins possible	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	Atomic execution of specific operations	no	no
Concurrency Support for concurrent manipulation of data	yes	yes	yes Read/Write Locking	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		no
User concepts Access control	fine grained access rights according to SQL-standard	LDAP bind authentication	no	Role based access control and fine grained access rights
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	Atos Standard Common Repository	EJDB	StarRocks
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 Two critical vulnerabilities spotted in Alibaba Cloud's PostgreSQL databases 21 April 2023, TEISS Experts disclosed two critical flaws in Alibaba cloud database services 20 April 2023, Security Affairs Alibaba Cloud to spur AI innovation with upcoming Singapore hackathon in March | KrASIA 21 February 2024, KrASIA provided by Google News			StarRocks analytical DB heads to Linux Foundation 14 February 2023, VentureBeat StarRocks Brings Speedy OLAP Database to the Cloud 14 July 2022, Datanami StarRocks' real-time analytics engine moves to the cloud 14 July 2022, SiliconANGLE News StarRocks Launches Beta of Cloud Service for Its Analytics Engine 15 July 2022, The New Stack StarRocks launches managed DBaaS for real-time analytics 14 July 2022, InfoWorld provided by Google News

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