DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. DataFS vs. LeanXcale vs. TerarkDB

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. DataFS vs. LeanXcale vs. TerarkDB

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Editorial information provided by DB-Engines
Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	DataFS  Xexclude from comparison	LeanXcale  Xexclude from comparison	TerarkDB  Xexclude from comparison
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.	A highly scalable full ACID SQL database with fast NoSQL data ingestion and GIS capabilities	A key-value store forked from RocksDB with advanced compression algorithms. It can be used standalone or as a storage engine for MySQL and MongoDB
Primary database model	Relational DBMS	Object oriented DBMS	Key-value store Relational DBMS	Key-value store
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 #17   Object oriented DBMS	Score 0.36 Rank #280   Overall #40   Key-value stores #129   Relational DBMS	Score 0.08 Rank #367   Overall #56   Key-value stores
Website	www.alibabacloud.com/­product/­hybriddb-postgresql	newdatabase.com	www.leanxcale.com	github.com/­bytedance/­terarkdb
Technical documentation	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview	dev.mobiland.com/­Overview.xsp		bytedance.larkoffice.com/­docs/­doccnZmYFqHBm06BbvYgjsHHcKc
Developer	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group	Mobiland AG	LeanXcale	ByteDance, originally Terark
Initial release	2016	2018	2015	2016
Current release		1.1.263, October 2022
License Commercial or Open Source	commercial	commercial	commercial	commercial restricted open source 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++
Server operating systems	hosted	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	schema-free
Typing predefined data types such as float or date	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	no		no
SQL Support of SQL	yes	no	yes through Apache Derby	no
APIs and other access methods	JDBC ODBC	.NET Client API Proprietary client DLL WinRT client	JDBC Kafka Connector ODBC proprietary key/value interface Spark Connector	C++ API Java API
Supported programming languages	C Java Perl Python R	.Net C C# C++ VB.Net	C Java Scala	C++ Java
Server-side scripts Stored procedures	yes			no
Triggers	yes	no, except callback-events from server when changes happened		no
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service	Proprietary Sharding system		none
Replication methods Methods for redundantly storing data on multiple nodes	yes Implicit feature of the cloud service			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	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	ACID	ACID	no
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	yes
User concepts Access control	fine grained access rights according to SQL-standard	Windows-Profile		no
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	DataFS	LeanXcale	TerarkDB
Recent citations in the 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 to spur AI innovation with upcoming Singapore hackathon in March | KrASIA 21 February 2024, KrASIA Experts disclosed two critical flaws in Alibaba cloud database services 20 April 2023, Security Affairs provided by Google News			A Chinese company is making the cloud 200x faster · TechNode 3 July 2017, TechNode provided by Google News

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