DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. DataFS vs. Drizzle vs. Sadas Engine

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. DataFS vs. Drizzle vs. Sadas Engine

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Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	DataFS  Xexclude from comparison	Drizzle  Xexclude from comparison	Sadas Engine  Xexclude from comparison
			Drizzle has published its last release in September 2012. The open-source project is discontinued and Drizzle is excluded from the DB-Engines ranking.
Description	An online MPP (Massively Parallel Processing) data warehousing service based on Greenplum	All data is stored inside objects which are linked by so-called link attributes. Objects consist of classes which can be extended and de-extended at runtime. Graphs can be defined with a struct.	MySQL fork with a pluggable micro-kernel and with an emphasis of performance over compatibility.	SADAS Engine is a columnar DBMS specifically designed for high performance in data warehouse environments
Primary database model	Relational DBMS	Object oriented DBMS	Relational DBMS	Relational DBMS
Secondary database models		Graph DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.76 Rank #220   Overall #102   Relational DBMS	Score 0.09 Rank #360   Overall #18   Object oriented DBMS		Score 0.07 Rank #373   Overall #157   Relational DBMS
Website	www.alibabacloud.com/­product/­hybriddb-postgresql	newdatabase.com		www.sadasengine.com
Technical documentation	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview	dev.mobiland.com/­Overview.xsp		www.sadasengine.com/­en/­sadas-engine-download-free-trial-and-documentation/­#documentation
Developer	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group	Mobiland AG	Drizzle project, originally started by Brian Aker	SADAS s.r.l.
Initial release	2016	2018	2008	2006
Current release		1.1.263, October 2022	7.2.4, September 2012	8.0
License Commercial or Open Source	commercial	commercial	Open Source GNU GPL	commercial free trial version 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			C++	C++
Server operating systems	hosted	Windows	FreeBSD Linux OS X	AIX Linux Windows
Data scheme	yes	Classes, Structs, and Lists are written in proprietary DataTypeDefinitionLanguage (.dtdl) and Objects consisting of those are written in proprietary DataAccessDefinitionLanguage (.dadl)	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		no
Secondary indexes	yes	no	yes	yes
SQL Support of SQL	yes	no	yes with proprietary extensions	yes
APIs and other access methods	JDBC ODBC	.NET Client API Proprietary client DLL WinRT client	JDBC	JDBC ODBC Proprietary protocol
Supported programming languages	C Java Perl Python R	.Net C C# C++ VB.Net	C C++ Java PHP	.Net C C# C++ Groovy Java PHP Python
Server-side scripts Stored procedures	yes		no	no
Triggers	yes	no, except callback-events from server when changes happened	no hooks for callbacks inside the server can be used.	no
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service	Proprietary Sharding system	Sharding	horizontal partitioning
Replication methods Methods for redundantly storing data on multiple nodes	yes Implicit feature of the cloud service		Multi-source replication Source-replica replication	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	Immediate Consistency		Immediate Consistency
Foreign keys Referential integrity	yes	yes	yes	yes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	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		yes managed by 'Learn by Usage'
User concepts Access control	fine grained access rights according to SQL-standard	Windows-Profile	Pluggable authentication mechanisms e.g. LDAP, HTTP	Access rights for users, groups and roles according to SQL-standard
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	DataFS	Drizzle	Sadas Engine
DB-Engines blog posts			MySQL won the April ranking; did its forks follow? 1 April 2015, Paul Andlinger Has MySQL finally lost its mojo? 1 July 2013, Matthias Gelbmann show all
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

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