DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. gStore vs. Sadas Engine vs. SpaceTime

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. gStore vs. Sadas Engine vs. SpaceTime

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Name	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB  Xexclude from comparison	gStore  Xexclude from comparison	Sadas Engine  Xexclude from comparison	SpaceTime  Xexclude from comparison
Description	An online MPP (Massively Parallel Processing) data warehousing service based on Greenplum	A native Graph DBMS to store and maintain very large RDF datasets.	SADAS Engine is a columnar DBMS specifically designed for high performance in data warehouse environments	SpaceTime is a spatio-temporal DBMS with a focus on performance.
Primary database model	Relational DBMS	Graph DBMS RDF store	Relational DBMS	Spatial DBMS
Secondary database models				Relational DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.76 Rank #220   Overall #102   Relational DBMS	Score 0.14 Rank #342   Overall #34   Graph DBMS #16   RDF stores	Score 0.07 Rank #373   Overall #157   Relational DBMS	Score 0.03 Rank #392   Overall #8   Spatial DBMS
Website	www.alibabacloud.com/­product/­hybriddb-postgresql	en.gstore.cn	www.sadasengine.com	www.mireo.com/­spacetime
Technical documentation	www.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overview	en.gstore.cn/­#/­enDocs	www.sadasengine.com/­en/­sadas-engine-download-free-trial-and-documentation/­#documentation
Developer	Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group		SADAS s.r.l.	Mireo
Initial release	2016	2016	2006	2020
Current release		1.2, November 2023	8.0
License Commercial or Open Source	commercial	Open Source BSD	commercial free trial version available	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		C++	C++	C++
Server operating systems	hosted	Linux	AIX Linux Windows	Linux
Data scheme	yes	schema-free and OWL/RDFS-schema support	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	no
Secondary indexes	yes		yes	no
SQL Support of SQL	yes	no	yes	A subset of ANSI SQL is implemented
APIs and other access methods	JDBC ODBC	HTTP API SPARQL 1.1	JDBC ODBC Proprietary protocol	RESTful HTTP API
Supported programming languages	C Java Perl Python R	C++ Java JavaScript (Node.js) PHP Python	.Net C C# C++ Groovy Java PHP Python	C# C++ Python
Server-side scripts Stored procedures	yes	yes	no	no
Triggers	yes		no	no
Partitioning methods Methods for storing different data on different nodes	Sharding Implicit feature of the cloud service		horizontal partitioning	Fixed-grid hypercubes
Replication methods Methods for redundantly storing data on multiple nodes	yes Implicit feature of the cloud service		none	Real-time block device replication (DRBD)
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	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	yes		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 managed by 'Learn by Usage'	no
User concepts Access control	fine grained access rights according to SQL-standard	Users, roles and permissions, Role-Based Access Control (RBAC) supported	Access rights for users, groups and roles according to SQL-standard	yes
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More resources
	Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB	gStore	Sadas Engine	SpaceTime
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 Alibaba Cloud to spur AI innovation with upcoming Singapore hackathon in March | KrASIA 21 February 2024, KrASIA How Data Analytics Capabilities of Alibaba Group Evolve Its Ecosystem to the Cloud 20 February 2021, DataDrivenInvestor provided by Google News

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