DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. FatDB vs. Oracle Rdb vs. SwayDB

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. FatDB vs. Oracle Rdb vs. SwayDB

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Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	FatDB  Xexclude from comparison	Oracle Rdb  Xexclude from comparison	SwayDB  Xexclude from comparison
		FatDB/FatCloud has ceased operations as a company with February 2014. FatDB is discontinued and excluded from the ranking.
Description	An online MPP (Massively Parallel Processing) data warehousing service based on Greenplum	A .NET NoSQL DBMS that can integrate with and extend SQL Server.		An embeddable, non-blocking, type-safe key-value store for single or multiple disks and in-memory storage
Primary database model	Relational DBMS	Document store Key-value store	Relational DBMS	Key-value store
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.76 Rank #220   Overall #102   Relational DBMS		Score 1.14 Rank #178   Overall #80   Relational DBMS	Score 0.04 Rank #387   Overall #61   Key-value stores
Website	www.alibabacloud.com/­product/­hybriddb-postgresql		www.oracle.com/­database/­technologies/­related/­rdb.html	swaydb.simer.au
Technical documentation	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview		www.oracle.com/­database/­technologies/­related/­rdb-doc.html
Developer	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group	FatCloud	Oracle, originally developed by Digital Equipment Corporation (DEC)	Simer Plaha
Initial release	2016	2012	1984	2018
Current release			7.4.1.1, 2021
License Commercial or Open Source	commercial	commercial	commercial	Open Source GNU Affero GPL V3.0
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		C#		Scala
Server operating systems	hosted	Windows	HP Open VMS
Data scheme	yes	schema-free	Flexible Schema (defined schema, partial schema, schema free)	schema-free
Typing predefined data types such as float or date	yes	yes	yes	no
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	yes	yes	no
SQL Support of SQL	yes	no Via inetgration in SQL Server	yes	no
APIs and other access methods	JDBC ODBC	.NET Client API LINQ RESTful HTTP API RPC Windows WCF Bindings
Supported programming languages	C Java Perl Python R	C#		Java Kotlin Scala
Server-side scripts Stored procedures	yes	yes via applications		no
Triggers	yes	yes via applications		no
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service	Sharding		none
Replication methods Methods for redundantly storing data on multiple nodes	yes Implicit feature of the cloud service	selectable replication factor		none
MapReduce Offers an API for user-defined Map/Reduce methods	no	yes	no	no
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency	Eventual Consistency Immediate Consistency	Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity	yes	no	yes	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	no	yes, on a single node	Atomic execution of operations
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
User concepts Access control	fine grained access rights according to SQL-standard	no Can implement custom security layer via applications		no
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	FatDB	Oracle Rdb	SwayDB
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		Oracle Adds New AI-Enabling Features To MySQL HeatWave 23 March 2023, Forbes Should we all consolidate databases for the storage benefits? Reg vultures deploy DevOps, zoos, haircuts 18 September 2020, The Register 2013 Data Science Salary Survey – O'Reilly 4 May 2013, O'Reilly Media provided by Google News

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